diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/Errors.kt b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/Errors.kt
index 01f3f3d1..bd4f47a0 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/Errors.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/Errors.kt
@@ -31,6 +31,8 @@ const val CODE_SYNERGIA_NOT_ACTIVATED                       = 32
 const val CODE_LIBRUS_DISCONNECTED                          = 31
 const val CODE_PROFILE_ARCHIVED                             = 30*/
 
+const val ERROR_APP_CRASH                                   = 1
+
 const val ERROR_REQUEST_FAILURE                             = 50
 const val ERROR_REQUEST_HTTP_400                            = 51
 const val ERROR_REQUEST_HTTP_401                            = 52
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/base/CrashActivity.java b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/base/CrashActivity.java
deleted file mode 100644
index f159282a..00000000
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/base/CrashActivity.java
+++ /dev/null
@@ -1,180 +0,0 @@
-package pl.szczodrzynski.edziennik.ui.modules.base;
-
-/*
- * Copyright 2014-2017 Eduard Ereza Martínez
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- *
- * You may obtain a copy of the License at
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import android.annotation.SuppressLint;
-import android.content.ClipData;
-import android.content.ClipboardManager;
-import android.content.Intent;
-import android.os.Build;
-import android.os.Bundle;
-import androidx.annotation.Nullable;
-import androidx.appcompat.app.AppCompatActivity;
-import android.text.Html;
-import android.util.Base64;
-import android.view.View;
-import android.widget.Button;
-import android.widget.Toast;
-
-import com.afollestad.materialdialogs.MaterialDialog;
-
-import cat.ereza.customactivityoncrash.CustomActivityOnCrash;
-import cat.ereza.customactivityoncrash.config.CaocConfig;
-import pl.szczodrzynski.edziennik.App;
-import pl.szczodrzynski.edziennik.BuildConfig;
-import pl.szczodrzynski.edziennik.R;
-import pl.szczodrzynski.edziennik.network.ServerRequest;
-import pl.szczodrzynski.edziennik.utils.Themes;
-
-import static pl.szczodrzynski.edziennik.App.APP_URL;
-import static pl.szczodrzynski.edziennik.data.db.modules.profiles.Profile.REGISTRATION_ENABLED;
-
-public final class CrashActivity extends AppCompatActivity {
-
-    private App app;
-
-    @SuppressLint("PrivateResource")
-    @Override
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        this.app = (App)getApplication();
-        setTheme(Themes.INSTANCE.getAppTheme());
-
-        setContentView(R.layout.activity_crash);
-
-        final CaocConfig config = CustomActivityOnCrash.getConfigFromIntent(getIntent());
-
-        if (config == null) {
-            //This should never happen - Just finish the activity to avoid a recursive crash.
-            finish();
-            return;
-        }
-
-        //Close/restart button logic:
-        //If a class if set, use restart.
-        //Else, use close and just finish the app.
-        //It is recommended that you follow this logic if implementing a custom error activity.
-        Button restartButton = findViewById(R.id.crash_restart_btn);
-        restartButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                CustomActivityOnCrash.restartApplication(CrashActivity.this, config);
-            }
-        });
-
-
-        Button devMessageButton = findViewById(R.id.crash_dev_message_btn);
-        devMessageButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Intent i = new Intent(CrashActivity.this, CrashGtfoActivity.class);
-                startActivity(i);
-            }
-        });
-
-        final Button reportButton = findViewById(R.id.crash_report_btn);
-        reportButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (!app.networkUtils.isOnline())
-                {
-                    new MaterialDialog.Builder(CrashActivity.this)
-                            .title(R.string.network_you_are_offline_title)
-                            .content(R.string.network_you_are_offline_text)
-                            .positiveText(R.string.ok)
-                            .show();
-                }
-                else
-                {
-                    //app.networkUtils.setSelfSignedSSL(CrashActivity.this, null);
-                    new ServerRequest(app, app.requestScheme + APP_URL + "main.php?report", "CrashActivity")
-                            .setBodyParameter("base64_encoded", Base64.encodeToString(getErrorString(getIntent(), true).getBytes(), Base64.DEFAULT))
-                            .run((e, result) -> {
-                                if (result != null)
-                                {
-                                    if (result.get("success").getAsBoolean()) {
-                                        Toast.makeText(CrashActivity.this, getString(R.string.crash_report_sent), Toast.LENGTH_SHORT).show();
-                                        reportButton.setEnabled(false);
-                                        reportButton.setTextColor(getResources().getColor(android.R.color.darker_gray));
-                                    }
-                                    else {
-                                        Toast.makeText(CrashActivity.this, getString(R.string.crash_report_cannot_send) + ": " + result.get("reason").getAsString(), Toast.LENGTH_LONG).show();
-                                    }
-                                }
-                                else
-                                {
-                                    Toast.makeText(CrashActivity.this, getString(R.string.crash_report_cannot_send)+" JsonObject equals null", Toast.LENGTH_LONG).show();
-                                }
-                            });
-                }
-            }
-        });
-
-        Button moreInfoButton = findViewById(R.id.crash_details_btn);
-        moreInfoButton.setOnClickListener(v -> new MaterialDialog.Builder(CrashActivity.this)
-                .title(R.string.crash_details)
-                .content(Html.fromHtml(getErrorString(getIntent(), false)))
-                .typeface(null, "RobotoMono-Regular.ttf")
-                .positiveText(R.string.close)
-                .neutralText(R.string.copy_to_clipboard)
-                .onNeutral((dialog, which) -> copyErrorToClipboard())
-                .show());
-
-        String errorInformation = CustomActivityOnCrash.getAllErrorDetailsFromIntent(CrashActivity.this, getIntent());
-        if (errorInformation.contains("MANUAL CRASH"))
-        {
-            findViewById(R.id.crash_notice).setVisibility(View.GONE);
-            findViewById(R.id.crash_report_btn).setVisibility(View.GONE);
-            findViewById(R.id.crash_feature).setVisibility(View.VISIBLE);
-        }
-        else
-        {
-            findViewById(R.id.crash_notice).setVisibility(View.VISIBLE);
-            findViewById(R.id.crash_report_btn).setVisibility(View.VISIBLE);
-            findViewById(R.id.crash_feature).setVisibility(View.GONE);
-        }
-    }
-
-    private String getErrorString(Intent intent, boolean plain) {
-        // build a string containing the stack trace and the device name + user's registration data
-        String contentPlain = "Crash report:\n\n"+CustomActivityOnCrash.getStackTraceFromIntent(intent);
-        String content = "<small>"+contentPlain+"</small>";
-        content = content.replaceAll(getPackageName(), "<font color='#4caf50'>"+getPackageName()+"</font>");
-        content = content.replaceAll("\n", "<br>");
-
-        contentPlain += "\n"+Build.MANUFACTURER+"\n"+Build.BRAND+"\n"+Build.MODEL+"\n"+Build.DEVICE+"\n";
-        if (app.profile != null && app.profile.getRegistration() == REGISTRATION_ENABLED) {
-            contentPlain += "U: "+app.profile.getUsernameId()+"\nS: "+ app.profile.getStudentNameLong() +"\n";
-        }
-        contentPlain += BuildConfig.VERSION_NAME+" "+BuildConfig.BUILD_TYPE;
-
-        return plain ? contentPlain : content;
-    }
-
-    private void copyErrorToClipboard() {
-        String errorInformation = CustomActivityOnCrash.getAllErrorDetailsFromIntent(CrashActivity.this, getIntent());
-
-        ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
-
-        //Are there any devices without clipboard...?
-        if (clipboard != null) {
-            ClipData clip = ClipData.newPlainText(getString(R.string.customactivityoncrash_error_activity_error_details_clipboard_label), errorInformation);
-            clipboard.setPrimaryClip(clip);
-            Toast.makeText(CrashActivity.this, R.string.copied_to_clipboard, Toast.LENGTH_SHORT).show();
-        }
-    }
-}
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/base/CrashActivity.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/base/CrashActivity.kt
new file mode 100644
index 00000000..229d5926
--- /dev/null
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/base/CrashActivity.kt
@@ -0,0 +1,180 @@
+package pl.szczodrzynski.edziennik.ui.modules.base
+
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Bundle
+import android.text.Html
+import android.view.View
+import android.widget.Button
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import cat.ereza.customactivityoncrash.CustomActivityOnCrash
+import com.afollestad.materialdialogs.MaterialDialog
+import kotlinx.coroutines.*
+import pl.szczodrzynski.edziennik.App
+import pl.szczodrzynski.edziennik.BuildConfig
+import pl.szczodrzynski.edziennik.R
+import pl.szczodrzynski.edziennik.data.api.ERROR_APP_CRASH
+import pl.szczodrzynski.edziennik.data.api.szkolny.SzkolnyApi
+import pl.szczodrzynski.edziennik.data.api.szkolny.request.ErrorReportRequest
+import pl.szczodrzynski.edziennik.data.db.modules.profiles.Profile
+import pl.szczodrzynski.edziennik.ifNotEmpty
+import pl.szczodrzynski.edziennik.utils.Themes.appTheme
+import kotlin.coroutines.CoroutineContext
+
+/*
+ * Copyright 2014-2017 Eduard Ereza Martínez
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ *
+ * You may obtain a copy of the License at
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class CrashActivity : AppCompatActivity(), CoroutineScope {
+    companion object {
+        const val TAG = "CrashActivity"
+    }
+
+    private val app by lazy { application as App }
+    private val api by lazy { SzkolnyApi(app) }
+
+    private var job = Job()
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setTheme(appTheme)
+        setContentView(R.layout.activity_crash)
+        val config = CustomActivityOnCrash.getConfigFromIntent(intent)
+        if (config == null) { //This should never happen - Just finish the activity to avoid a recursive crash.
+            finish()
+            return
+        }
+
+        //Close/restart button logic:
+        //If a class if set, use restart.
+        //Else, use close and just finish the app.
+        //It is recommended that you follow this logic if implementing a custom error activity.
+        val restartButton = findViewById<Button>(R.id.crash_restart_btn)
+        restartButton.setOnClickListener { CustomActivityOnCrash.restartApplication(this@CrashActivity, config) }
+
+        val devMessageButton = findViewById<Button>(R.id.crash_dev_message_btn)
+        devMessageButton.setOnClickListener {
+            val i = Intent(this@CrashActivity, CrashGtfoActivity::class.java)
+            startActivity(i)
+        }
+
+        val reportButton = findViewById<Button>(R.id.crash_report_btn)
+        reportButton.setOnClickListener {
+            if (!app.networkUtils.isOnline) {
+                MaterialDialog.Builder(this@CrashActivity)
+                        .title(R.string.network_you_are_offline_title)
+                        .content(R.string.network_you_are_offline_text)
+                        .positiveText(R.string.ok)
+                        .show()
+            } else {
+                launch {
+                    val response = withContext(Dispatchers.Default) {
+                        api.errorReport(listOf(getReportableError(intent)))
+                    }
+
+                    response?.errors?.ifNotEmpty {
+                        Toast.makeText(app, getString(R.string.crash_report_cannot_send) + ": " + it[0].reason, Toast.LENGTH_LONG).show()
+                        return@launch
+                    }
+
+                    if (response != null) {
+                        Toast.makeText(app, getString(R.string.crash_report_sent), Toast.LENGTH_SHORT).show()
+                        reportButton.isEnabled = false
+                        reportButton.setTextColor(resources.getColor(android.R.color.darker_gray))
+                    } else {
+                        Toast.makeText(app, getString(R.string.crash_report_cannot_send) + " JsonObject equals null", Toast.LENGTH_LONG).show()
+                    }
+                }
+            }
+        }
+
+        val moreInfoButton = findViewById<Button>(R.id.crash_details_btn)
+        moreInfoButton.setOnClickListener { v: View? ->
+            MaterialDialog.Builder(this@CrashActivity)
+                    .title(R.string.crash_details)
+                    .content(Html.fromHtml(getErrorString(intent, false)))
+                    .typeface(null, "RobotoMono-Regular.ttf")
+                    .positiveText(R.string.close)
+                    .neutralText(R.string.copy_to_clipboard)
+                    .onNeutral { _, _ -> copyErrorToClipboard() }
+                    .show()
+        }
+
+        val errorInformation = CustomActivityOnCrash.getAllErrorDetailsFromIntent(this@CrashActivity, intent)
+
+        if (errorInformation.contains("MANUAL CRASH")) {
+            findViewById<View>(R.id.crash_notice).visibility = View.GONE
+            findViewById<View>(R.id.crash_report_btn).visibility = View.GONE
+            findViewById<View>(R.id.crash_feature).visibility = View.VISIBLE
+        } else {
+            findViewById<View>(R.id.crash_notice).visibility = View.VISIBLE
+            findViewById<View>(R.id.crash_report_btn).visibility = View.VISIBLE
+            findViewById<View>(R.id.crash_feature).visibility = View.GONE
+        }
+    }
+
+    private fun getErrorString(intent: Intent, plain: Boolean): String {
+        var contentPlain = "Crash report:\n\n" + CustomActivityOnCrash.getStackTraceFromIntent(intent)
+        var content = "<small>$contentPlain</small>"
+        content = content.replace(packageName.toRegex(), "<font color='#4caf50'>$packageName</font>")
+        content = content.replace("\n".toRegex(), "<br>")
+        contentPlain += "\n" + Build.MANUFACTURER + "\n" + Build.BRAND + "\n" + Build.MODEL + "\n" + Build.DEVICE + "\n"
+        if (app.profile != null && app.profile.registration == Profile.REGISTRATION_ENABLED) {
+            contentPlain += "U: " + app.profile.usernameId + "\nS: " + app.profile.studentNameLong + "\n"
+        }
+        contentPlain += BuildConfig.VERSION_NAME + " " + BuildConfig.BUILD_TYPE
+        return if (plain) contentPlain else content
+    }
+
+    private fun getReportableError(intent: Intent): ErrorReportRequest.Error {
+        val content = CustomActivityOnCrash.getStackTraceFromIntent(intent)
+        val errorCode: Int = ERROR_APP_CRASH
+
+        val errorText = app.resources.getIdentifier("error_$errorCode", "string", app.packageName).let {
+            if (it != 0) getString(it) else "?"
+        }
+        val errorReason = app.resources.getIdentifier("error_" + errorCode + "_reason", "string", app.packageName).let {
+            if (it != 0) getString(it) else "?"
+        }
+        return ErrorReportRequest.Error(
+                System.currentTimeMillis(),
+                TAG,
+                errorCode,
+                errorText,
+                errorReason,
+                content,
+                null,
+                null,
+                null,
+                true
+        )
+    }
+
+    private fun copyErrorToClipboard() {
+        val errorInformation = CustomActivityOnCrash.getAllErrorDetailsFromIntent(this@CrashActivity, intent)
+        val clipboard = getSystemService(Context.CLIPBOARD_SERVICE) as? ClipboardManager
+        clipboard?.apply {
+            val clip = ClipData.newPlainText(getString(R.string.customactivityoncrash_error_activity_error_details_clipboard_label), errorInformation)
+            primaryClip = clip
+            Toast.makeText(this@CrashActivity, R.string.copied_to_clipboard, Toast.LENGTH_SHORT).show()
+        }
+    }
+}
diff --git a/app/src/main/res/values/errors.xml b/app/src/main/res/values/errors.xml
index b66a1f4b..b8ad4845 100644
--- a/app/src/main/res/values/errors.xml
+++ b/app/src/main/res/values/errors.xml
@@ -4,6 +4,8 @@
   -->
 
 <resources>
+    <string name="error_1" translatable="false">ERROR_APP_CRASH</string>
+
     <string name="error_50" translatable="false">ERROR_REQUEST_FAILURE</string>
     <string name="error_51" translatable="false">ERROR_REQUEST_HTTP_400</string>
     <string name="error_52" translatable="false">ERROR_REQUEST_HTTP_401</string>
@@ -156,6 +158,8 @@
 
     <string name="error_1201" translatable="false">LOGIN_NO_ARGUMENTS</string>
 
+    <string name="error_1_reason">Aplikacja przestała działać</string>
+
     <string name="error_50_reason">Błąd odpowiedzi serwera</string>
     <string name="error_51_reason">Błąd serwera: nieprawidłowe zapytanie</string>
     <string name="error_52_reason">Błąd serwera: odmowa dostępu</string>