Error map
Duplicate class Duplicate class X found in modules A and B
Android · layer 1, On your device
Centre: this error. First ring: errors it is linked with (12). 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 (12)
java.lang.ClassNotFoundException / NoClassDefFoundError
The JVM couldn’t find a class on the classpath at runtime.
ModuleNotFoundError: No module named 'distutils'
Python 3.12 removed distutils; old packages or tools that import it fail.
npm WARN EBADENGINE Unsupported engine / The engine "node" is incompatible with this module
A package requires a different Node.js version than the one you’re running.
Your requirements could not be resolved to an installable set of packages.
Composer can’t find package versions that satisfy every constraint (PHP version, extensions, other packages).
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.
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.
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.
[ERROR] Failed to execute goal on project x: Could not resolve dependencies for project
Maven couldn’t download or find one or more dependencies.
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.
0x8007007E: The specified module could not be found
A DLL that a program, driver or COM component needs isn’t on disk or on the DLL search path.
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).
error NU1101: Unable to find package X. No packages exist with this id in source(s): nuget.org
NuGet restore can’t find the package in any configured source — typo, private feed not configured/authenticated, or nuget.org mis…
Two steps away (36)
PHP Fatal error: Uncaught Error: Class "X" not found
PHP couldn’t load the class — autoloading failed, the namespace is wrong, or the dependency isn’t installed.
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…
java.lang.NullPointerException
Code called a method or accessed a field on a reference that is `null`.
ImportError: cannot import name 'x' from 'y'
The module was found, but the name you’re importing from it doesn’t exist — usually a version change or a circular import.
gyp ERR! build error / node-gyp rebuild failed
A dependency with native C/C++ code couldn’t compile — missing build tools, Python, or an unsupported Node version.
ERROR: Could not find a version that satisfies the requirement x (from versions: none)
pip found no installable version of the package for your Python version, OS or index.
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.
Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: Package subpath './x' is not defined by "exports"
You imported a deep path inside a package that its package.json "exports" field doesn’t expose.
DeprecationWarning: Buffer() is deprecated due to security and usability issues (DEP0005)
Code (yours or a dependency) uses the deprecated new Buffer() constructor.
npm ERR! code ERESOLVE — unable to resolve dependency tree
npm 7+ found conflicting peer dependency requirements and refuses to install a broken tree.
CocoaPods could not find compatible versions for pod
pod install can’t satisfy the version constraints — outdated spec repo, a higher deployment target required, or two pods needing…
Composer: PHP Fatal error: Allowed memory size of 1610612736 bytes exhausted
Composer ran out of memory while resolving or installing dependencies.
java.lang.UnsupportedClassVersionError: class file version 61.0, this version of the Java Runtime only recognizes up to 55.0
Code compiled for a newer Java version is running on an older JVM.
ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Build tools (Gradle, Maven, Android tools) can’t find a JDK.
[ERROR] Fatal error compiling: error: release version 17 not supported
The JDK running Maven is older than the Java version the project compiles for.
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.NoSuchMethodError
Code compiled against one version of a library is running with another version where the method doesn’t exist.
DeprecationWarning: The `punycode` module is deprecated (DEP0040)
A dependency imports Node’s built-in punycode module, deprecated since Node 21.
Namespace not specified. Specify a namespace in the module's build file (AGP 8)
AGP 8 requires android { namespace = "…" } in each module’s build file; the package attribute in AndroidManifest.xml is no longer…
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…
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…
npm ERR! code E404 — 404 Not Found: package@version is not in this registry
npm asked the registry for a package (or version) that doesn’t exist there — a typo, a private/scoped package without auth, or th…
Runtime.ImportModuleError: Unable to import module 'lambda_function': No module named 'x'
Lambda couldn’t load your handler file or one of its dependencies — the package is missing from the deployment zip/layer or the h…
Unmet dependencies / E: Unable to correct problems, you have held broken packages
apt can’t find a set of package versions that satisfies all dependencies — usually mixed repositories or a package from another r…
npm ERR! code ELIFECYCLE / Command failed with exit code 1
An npm script (build, start, test, postinstall) exited with an error. ELIFECYCLE is only the wrapper — the real error is printed…
COPY failed: file not found in build context / "/app/x": not found
The Dockerfile COPY refers to a path outside the build context, excluded by .dockerignore, or relative to the wrong directory.
Error: error:0308010C:digital envelope routines::unsupported
An old build tool (webpack 4, old react-scripts) uses a hash algorithm that OpenSSL 3 in Node 17+ disables.
The application was unable to start correctly (0xc000007b)
A program loaded a DLL of the wrong architecture (32-bit vs 64-bit) or a corrupted runtime library.
VCRUNTIME140.dll was not found / MSVCP140.dll is missing
The program needs the Microsoft Visual C++ 2015–2022 Redistributable, which isn’t installed (or is damaged).
Error: Node Sass does not yet support your current environment
node-sass (deprecated) has no binary for your Node version/OS.
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.
Minimum supported Gradle version is 8.7. Current version is 8.2
The Android Gradle Plugin (AGP) version in your build needs a newer Gradle wrapper version.
npm ERR! code ETARGET — No matching version found for package@^9.9.9
The version range in package.json doesn’t match any published version of the package.
npm WARN deprecated package@1.2.3: This package is no longer supported.
A dependency (often a transitive one) is deprecated by its author.
npm ERR! code EOVERRIDE — Override for x conflicts with direct dependency
An "overrides" entry sets a different version for a package you also depend on directly.
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