diff --git a/api/src/main/java/io/github/wulkanowy/api/Client.java b/api/src/main/java/io/github/wulkanowy/api/Client.java
index 53300788a..277b80393 100644
--- a/api/src/main/java/io/github/wulkanowy/api/Client.java
+++ b/api/src/main/java/io/github/wulkanowy/api/Client.java
@@ -118,7 +118,7 @@ public class Client {
 
         this.cookies.addItems(response.cookies());
 
-        Document doc = checkForErrors(response.parse());
+        Document doc = checkForErrors(response.parse(), response.statusCode());
 
         if (loginBefore) {
             lastSuccessRequest = new Date();
@@ -144,7 +144,7 @@ public class Client {
 
         response.bufferUp(); // fixes cert parsing issues #109
 
-        return checkForErrors(response.parse());
+        return checkForErrors(response.parse(), response.statusCode());
     }
 
     public String getJsonStringByUrl(String url) throws IOException, VulcanException {
@@ -182,7 +182,7 @@ public class Client {
         return response.body();
     }
 
-    Document checkForErrors(Document doc) throws VulcanException {
+    Document checkForErrors(Document doc, int code) throws VulcanException {
         lastSuccessRequest = null;
 
         String title = doc.select("title").text();
@@ -195,8 +195,8 @@ public class Client {
             throw new NotLoggedInErrorException(singIn);
         }
 
-        if (title.startsWith("Błąd")) {
-            throw new NotLoggedInErrorException(title + " " + doc.selectFirst("p, body"));
+        if ("Błąd strony".equals(title)) {
+            throw new NotLoggedInErrorException(title + " " + doc.selectFirst("p, body") + ", status: " + code);
         }
 
         return doc;
diff --git a/api/src/main/java/io/github/wulkanowy/api/StudentAndParent.java b/api/src/main/java/io/github/wulkanowy/api/StudentAndParent.java
index 1acecfd3b..16ee002e0 100644
--- a/api/src/main/java/io/github/wulkanowy/api/StudentAndParent.java
+++ b/api/src/main/java/io/github/wulkanowy/api/StudentAndParent.java
@@ -65,12 +65,12 @@ public class StudentAndParent implements SnP {
             return getBaseUrl();
         }
 
-        // get url to uonetplus-opiekun.vulcan.net.pl
+        // get url to uonetplus-opiekun.fakelog.cf
         Document startPage = client.getPageByUrl(START_PAGE_URL);
         Element studentTileLink = startPage.select(".panel.linkownia.pracownik.klient > a").first();
 
         if (null == studentTileLink) {
-            throw new NotLoggedInErrorException("You are probably not logged in. Force login");
+            throw new VulcanException("Na pewno używasz konta z dostępem do Witryny ucznia i rodzica?");
         }
 
         String snpPageUrl = studentTileLink.attr("href");
@@ -84,7 +84,7 @@ public class StudentAndParent implements SnP {
         String[] path = snpPageUrl.split(client.getHost())[1].split("/");
 
         if (5 != path.length) {
-            throw new NotLoggedInErrorException("You are probably not logged in");
+            throw new NotLoggedInErrorException("You are probably not logged in " + snpPageUrl);
         }
 
         return path[2];
diff --git a/api/src/main/java/io/github/wulkanowy/api/login/Login.java b/api/src/main/java/io/github/wulkanowy/api/login/Login.java
index a734501ea..04e1efc16 100644
--- a/api/src/main/java/io/github/wulkanowy/api/login/Login.java
+++ b/api/src/main/java/io/github/wulkanowy/api/login/Login.java
@@ -9,6 +9,7 @@ import org.jsoup.select.Elements;
 import java.io.IOException;
 
 import io.github.wulkanowy.api.Client;
+import io.github.wulkanowy.api.NotLoggedInErrorException;
 import io.github.wulkanowy.api.VulcanException;
 
 public class Login {
@@ -27,6 +28,10 @@ public class Login {
     public String login(String email, String password, String symbol) throws VulcanException, IOException {
         Document certDoc = sendCredentials(email, password);
 
+        if ("Błąd".equals(certDoc.title())) {
+            throw new NotLoggedInErrorException(certDoc.selectFirst("body").text());
+        }
+
         return sendCertificate(certDoc, symbol);
     }
 
diff --git a/api/src/test/java/io/github/wulkanowy/api/ClientTest.java b/api/src/test/java/io/github/wulkanowy/api/ClientTest.java
index 38f856172..50724875d 100644
--- a/api/src/test/java/io/github/wulkanowy/api/ClientTest.java
+++ b/api/src/test/java/io/github/wulkanowy/api/ClientTest.java
@@ -25,7 +25,7 @@ public class ClientTest {
 
         Document doc = Jsoup.parse(getFixtureAsString("login/Logowanie-success.html"));
 
-        Assert.assertEquals(doc, client.checkForErrors(doc));
+        Assert.assertEquals(doc, client.checkForErrors(doc, 200));
     }
 
     @Test(expected = VulcanOfflineException.class)
@@ -34,7 +34,7 @@ public class ClientTest {
 
         Document doc = Jsoup.parse(getFixtureAsString("login/PrzerwaTechniczna.html"));
 
-        client.checkForErrors(doc);
+        client.checkForErrors(doc, 200);
     }
 
     @Test(expected = NotLoggedInErrorException.class)
@@ -43,7 +43,7 @@ public class ClientTest {
 
         Document doc = Jsoup.parse(getFixtureAsString("login/Logowanie-notLoggedIn.html"));
 
-        client.checkForErrors(doc);
+        client.checkForErrors(doc, 200);
     }
 
     @Test
diff --git a/api/src/test/java/io/github/wulkanowy/api/StudentAndParentTest.java b/api/src/test/java/io/github/wulkanowy/api/StudentAndParentTest.java
index 2b3d72500..387d18f58 100644
--- a/api/src/test/java/io/github/wulkanowy/api/StudentAndParentTest.java
+++ b/api/src/test/java/io/github/wulkanowy/api/StudentAndParentTest.java
@@ -53,7 +53,7 @@ public class StudentAndParentTest {
                 snp.getSnpHomePageUrl());
     }
 
-    @Test(expected = NotLoggedInErrorException.class)
+    @Test(expected = VulcanException.class)
     public void getSnpPageUrlWithWrongPage() throws Exception {
         Document wrongPageDocument = Jsoup.parse(
                 FixtureHelper.getAsString(getClass().getResourceAsStream("OcenyWszystkie-semester.html"))