Error map
R8: Missing class ERROR: Missing classes detected while running R8. Please add the missing classes or apply additional keep rules (missing_rules.txt)
Android · layer 1, On your device
Centre: this error. First ring: errors it is linked with (9). Outer ring: what those are linked with. Colours show the layer of a request each error belongs to. Click any dot to re-centre the map on it; hover to follow its connections. The centre dot opens the error page.
Directly related (9)
Gradle: Could not resolve all files for configuration / Could not resolve dependency
Gradle couldn’t download a dependency — wrong coordinates/version, missing repository, offline mode, or network/proxy issues.
Play Console: Version code 1 has already been used. Try another version code
Every upload to a Play app needs a higher versionCode than any previous upload (in any track).
Cannot fit requested classes in a single dex file (# methods: 65536 > 65536) — mergeDex failed
The app exceeds the 64K method reference limit of a single DEX file and multidex isn’t enabled (minSdk below 21).
Duplicate class X found in modules A and B
Two dependencies ship the same class — typically old Android Support libraries mixed with AndroidX, or Kotlin stdlib-jdk7/jdk8 ve…
Dependency 'androidx.x:1.y' requires libraries and applications that depend on it to compile against version 34 or later of the Android APIs
A library needs a higher compileSdk than your module uses (checkAarMetadata task).
AAPT: error: resource x (aka y) not found — Android resource linking failed
A layout, manifest or style references a resource (drawable, string, style, attribute) that doesn’t exist in the module or its de…
Play Console: You uploaded an APK or Android App Bundle that was signed in debug mode. You need to sign your APK or Android App Bundle in release mode
The bundle was signed with the debug keystore; Play only accepts release-signed uploads.
AAPT: error: resource android:attr/lStar not found
A dependency (androidx.core 1.7+) uses an attribute from Android 12 (API 31), but your module compiles against an older compileSd…
Execution failed for task ':app:mergeDebugResources'. > Duplicate resources
Two resource files define the same name and type in the same configuration (e.g. ic_logo.png and ic_logo.xml).
Two steps away (25)
Android: INSTALL_FAILED_UPDATE_INCOMPATIBLE
An app with the same package name but a different signing key is already installed on the device.
java.lang.ClassNotFoundException / NoClassDefFoundError
The JVM couldn’t find a class on the classpath at runtime.
Manifest merger failed: android:exported needs to be explicitly specified
Targeting Android 12 (API 31)+ requires `android:exported` on every activity, service or receiver that has an intent-filter.
adb: device unauthorized. This adb server's $ADB_VENDOR_KEYS is not set
The phone hasn’t accepted your computer’s RSA key for USB debugging yet.
ActivityNotFoundException: Unable to find explicit activity class; have you declared this activity in your AndroidManifest.xml?
An Intent targets an Activity that isn’t declared in the manifest, or an implicit intent has no app to handle it.
Play Console: Your app currently targets API level 33 and must target at least API level 34
Google Play requires new apps and updates to target a recent Android API level (raised every year).
Error: Could not find or load main class org.gradle.wrapper.GradleWrapperMain
The Gradle wrapper JAR (gradle/wrapper/gradle-wrapper.jar) is missing or corrupt.
SDK location not found. Define a valid SDK location with an ANDROID_HOME environment variable or by setting the sdk.dir path in local.properties
Gradle doesn’t know where the Android SDK is installed.
Failed to find target with hash string 'android-34' / Failed to install the following Android SDK packages as some licences have not been accepted
Gradle needs an SDK platform/build-tools that isn’t installed, or the licences haven’t been accepted on this machine.
Gradle: Unsupported class file major version / Android Gradle plugin requires Java 17 to run
The JDK running Gradle doesn’t match what the Gradle version or Android Gradle Plugin (AGP) supports.
java.lang.NoSuchMethodError
Code compiled against one version of a library is running with another version where the method doesn’t exist.
[ERROR] Failed to execute goal on project x: Could not resolve dependencies for project
Maven couldn’t download or find one or more dependencies.
npm ERR! code ERESOLVE — unable to resolve dependency tree
npm 7+ found conflicting peer dependency requirements and refuses to install a broken tree.
Error: Cannot find module 'x' (MODULE_NOT_FOUND)
Node can’t resolve the module path — the package isn’t installed, or a relative path/extension is wrong.
ModuleNotFoundError: No module named 'x'
Python can’t find the module you import — it isn’t installed in the interpreter/virtualenv that’s running, or the import path is…
Kubernetes: Pod stuck in Pending — FailedScheduling: 0/3 nodes are available
The scheduler can’t find a node that satisfies the pod’s resource requests, selectors, taints or volume constraints.
Kubernetes: Pod Evicted — The node was low on resource: memory / ephemeral-storage
The kubelet removed the pod because its node ran short of memory or disk.
Error creating: pods is forbidden: exceeded quota: compute-resources, requested: limits.memory=1Gi, used: ..., limited: ...
The namespace’s ResourceQuota doesn’t have room for the new pod’s requests/limits (or object count).
AWS: SignatureDoesNotMatch / InvalidClientTokenId — the request signature we calculated does not match
AWS rejected the request signature — wrong secret key, wrong region, clock skew, or a presigned URL used differently from how it…
error: gpg failed to sign the data — fatal: failed to write commit object
Commit signing is enabled but GPG couldn’t sign — no TTY for the passphrase, wrong key, or agent not running.
INSTALL_PARSE_FAILED_NO_CERTIFICATES / App not installed as package appears to be invalid
The APK isn’t signed (or the signature is invalid for this Android version), so it can’t be installed.
pods is forbidden: failed quota: must specify limits.cpu,limits.memory,requests.cpu,requests.memory
A ResourceQuota on the namespace covers CPU/memory, so every pod must declare those requests/limits — and this one doesn’t.
ResourceNotFound: The Resource 'Microsoft.X/...' under resource group 'y' was not found
The specific resource doesn’t exist in that resource group/subscription — wrong name, group or subscription, or it was deleted.
INSTALL_FAILED_NO_MATCHING_ABIS: Failed to extract native libraries
The APK contains native (.so) libraries only for CPU architectures the device doesn’t support — e.g. x86 emulator with arm-only l…
android.content.res.Resources$NotFoundException: Resource ID #0x7f...
Code asked for a resource ID that doesn’t exist for the current configuration — often passing an int to setText(), or a resource…
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