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 27d1a529..462fa7a4 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
@@ -123,6 +123,7 @@ const val ERROR_LIBRUS_API_MAINTENANCE                      = 181
 const val ERROR_LIBRUS_PORTAL_MAINTENANCE                   = 182
 const val ERROR_LIBRUS_API_NOTICEBOARD_PROBLEM              = 183
 const val ERROR_LOGIN_LIBRUS_PORTAL_CSRF_EXPIRED            = 184
+const val ERROR_LIBRUS_API_DEVICE_REGISTERED                = 185
 
 const val ERROR_LOGIN_MOBIDZIENNIK_WEB_INVALID_LOGIN        = 201
 const val ERROR_LOGIN_MOBIDZIENNIK_WEB_OLD_PASSWORD         = 202
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/Librus.kt b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/Librus.kt
index b5438bd1..0a1ed593 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/Librus.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/Librus.kt
@@ -199,7 +199,6 @@ class Librus(val app: App, val profile: Profile?, val loginStore: LoginStore, va
                     ERROR_LOGIN_LIBRUS_MESSAGES_NO_SESSION_ID -> {
                         login()
                     }
-                    // TODO PORTAL CAPTCHA
                     ERROR_LIBRUS_API_TIMETABLE_NOT_PUBLIC -> {
                         data.timetableNotPublic = true
                         data()
@@ -208,6 +207,11 @@ class Librus(val app: App, val profile: Profile?, val loginStore: LoginStore, va
                     ERROR_LIBRUS_API_NOTES_NOT_ACTIVE -> {
                         data()
                     }
+                    ERROR_LIBRUS_API_DEVICE_REGISTERED -> {
+                        data.app.config.sync.tokenLibrusList =
+                                data.app.config.sync.tokenLibrusList + data.profileId
+                        data()
+                    }
                     else -> callback.onError(apiError)
                 }
             }
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/LibrusApi.kt b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/LibrusApi.kt
index 7a536c81..507c438f 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/LibrusApi.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/LibrusApi.kt
@@ -44,6 +44,8 @@ open class LibrusApi(open val data: DataLibrus, open val lastSync: Long?) {
                             .withResponse(response))
                     return
                 }
+                /*
+{"Status":"Error","Code":"DeviceRegistered","Message":"This device is alerdy registered.","Resources":{"..":{"Url":"https:\/\/api.librus.pl\/2.0\/Root"}},"Url":"https:\/\/api.librus.pl\/2.0\/ChangeRegister"}*/
                 val error = if (response?.code() == 200) null else
                     json.getString("Code") ?:
                     json.getString("Message") ?:
@@ -64,6 +66,7 @@ open class LibrusApi(open val data: DataLibrus, open val lastSync: Long?) {
                         "InvalidRequest" -> ERROR_LIBRUS_API_INVALID_REQUEST_PARAMS
                         "Nieprawidłowy węzeł." -> ERROR_LIBRUS_API_INCORRECT_ENDPOINT
                         "NoticeboardProblem" -> ERROR_LIBRUS_API_NOTICEBOARD_PROBLEM
+                        "DeviceRegistered" -> ERROR_LIBRUS_API_DEVICE_REGISTERED
                         else -> ERROR_LIBRUS_API_OTHER
                     }.let { errorCode ->
                         if (errorCode !in ignoreErrors) {
@@ -115,6 +118,7 @@ open class LibrusApi(open val data: DataLibrus, open val lastSync: Long?) {
                 .allowErrorCode(HTTP_FORBIDDEN)
                 .allowErrorCode(HTTP_UNAUTHORIZED)
                 .allowErrorCode(HTTP_UNAVAILABLE)
+                .allowErrorCode(HTTP_NOT_FOUND)
                 .callback(callback)
                 .build()
                 .enqueue()
diff --git a/app/src/main/res/values/errors.xml b/app/src/main/res/values/errors.xml
index 126300bd..c69c7c99 100644
--- a/app/src/main/res/values/errors.xml
+++ b/app/src/main/res/values/errors.xml
@@ -95,6 +95,7 @@
     <string name="error_182" translatable="false">ERROR_LIBRUS_PORTAL_MAINTENANCE</string>
     <string name="error_183" translatable="false">ERROR_LIBRUS_API_NOTICEBOARD_PROBLEM</string>
     <string name="error_184" translatable="false">ERROR_LOGIN_LIBRUS_PORTAL_CSRF_EXPIRED</string>
+    <string name="error_185" translatable="false">ERROR_LIBRUS_API_DEVICE_REGISTERED</string>
 
     <string name="error_201" translatable="false">ERROR_LOGIN_MOBIDZIENNIK_WEB_INVALID_LOGIN</string>
     <string name="error_202" translatable="false">ERROR_LOGIN_MOBIDZIENNIK_WEB_OLD_PASSWORD</string>
@@ -266,6 +267,7 @@
     <string name="error_182_reason">Librus Portal: przerwa techniczna</string>
     <string name="error_183_reason">Wystąpił problem z tablicą ogłoszeń</string>
     <string name="error_184_reason">Librus: Sesja logowania wygasła. Zaloguj się ponownie.</string>
+    <string name="error_185_reason">Urządzenie jest już zarejestrowane</string>
 
     <string name="error_201_reason">Nieprawidłowy login lub hasło</string>
     <string name="error_202_reason">Podano stare hasło</string>