Diagnos

Common Errors & Solutions

Search common failure patterns and jump into actionable fixes.

Popular

Android

NullPointerException

NullPointerException indicates a runtime failure on Android that interrupts the current user flow.

Android

IllegalStateException

IllegalStateException indicates a runtime failure on Android that interrupts the current user flow.

Android

IllegalArgumentException

IllegalArgumentException indicates a runtime failure on Android that interrupts the current user flow.

Android

ActivityNotFoundException

ActivityNotFoundException indicates a runtime failure on Android that interrupts the current user flow.

Android

ResourcesNotFoundException

ResourcesNotFoundException indicates a runtime failure on Android that interrupts the current user flow.

Android

ClassNotFoundException

ClassNotFoundException indicates a dependency failure on Android that interrupts the current user flow.

Android

NoSuchMethodError

NoSuchMethodError indicates a runtime failure on Android that interrupts the current user flow.

Android

VerifyError

VerifyError indicates a runtime failure on Android that interrupts the current user flow.

Android

TransactionTooLargeException

TransactionTooLargeException indicates a runtime failure on Android that interrupts the current user flow.

Android

NullPointerExceptionIllegalStateExceptionIllegalArgumentExceptionActivityNotFoundExceptionResourcesNotFoundExceptionClassNotFoundExceptionNoSuchMethodErrorVerifyErrorTransactionTooLargeExceptionBadTokenExceptionNetworkOnMainThreadExceptionSecurityExceptionSQLiteConstraintExceptionSQLiteDatabaseCorruptExceptionCursorIndexOutOfBoundsExceptionNumberFormatExceptionJsonSyntaxExceptionParseExceptionTimeoutExceptionUnknownHostExceptionSSLHandshakeExceptionIOExceptionFileNotFoundExceptionOutOfMemoryErrorStackOverflowErrorConcurrentModificationExceptionIndexOutOfBoundsExceptionIllegalThreadStateExceptionDeadObjectExceptionWindowLeakedInflateExceptionANR Input Dispatching TimeoutANR Broadcast TimeoutExoPlayer PlaybackException

Web

TypeError Cannot Read Properties Of UndefinedTypeError Cannot Read Properties Of NullTypeError Is Not A FunctionReferenceError Not DefinedSyntaxError Unexpected TokenSyntaxError Unexpected End Of InputJSON Parse Unexpected TokenRangeError Maximum Call Stack Size ExceededURIError Malformed URIUnhandled Promise RejectionNetworkError Failed To FetchCORS Policy Blocked Requestnet ERR FAILEDnet ERR CONNECTION REFUSEDnet ERR NAME NOT RESOLVEDHTTP 404 Not FoundHTTP 500 Internal Server ErrorHTTP 502 Bad GatewayHTTP 503 Service UnavailableHTTP 504 Gateway TimeoutChunkLoadErrorModule Parse FailedHydration FailedResizeObserver Loop Limit ExceededQuotaExceededErrorDOMException SecurityErrorDOMException NotAllowedErrorDOMException AbortErrorMixed Content BlockedContent Security Policy ViolationWebSocket Connection FailedService Worker Registration FailedCookie Blocked

iOS

EXC_BAD_ACCESSSIGABRTNSInvalidArgumentExceptionNSRangeExceptionUnrecognized Selector Sent To InstanceSwift Unexpectedly Found NilSwift Index Out Of RangeSwift Force Try FailedNSInternalInconsistencyExceptionUICollectionView InconsistencyAuto Layout Unsatisfiable ConstraintsMain Thread Checker ViolationUI API Called On Background ThreadWatchdog 8badf00dJetsam Memory TerminationDyld Symbol Not FoundDyld Library Not LoadedCode Signature InvalidTCC Permission DeniedKeychain ErrorCore Data Save FailedCore Data Migration FailedURLSession ErrorATS Blocked RequestJSONSerialization Invalid JSONDecodingError KeyNotFoundDecodingError TypeMismatchDecodingError DataCorruptedRealm Migration RequiredRealm Write Transaction ExceptionUnbalanced Appearance Transition CallsView Controller Already PresentingDuplicate Constraint Identifier
Have logs? Analyze →