Error map
SDK location not found 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
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)
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.
Author identity unknown *** Please tell me who you are.
Git doesn’t know your name and email for commits.
aws: error: argument command: Invalid choice / Unknown options
The AWS CLI doesn’t recognise the command or option — usually CLI v1 vs v2 differences, an old CLI version, or a typo.
docker-compose: command not found / 'compose' is not a docker command
Your system has only one of the two Compose flavours: the old docker-compose (v1) binary or the newer docker compose (v2) plugin.
npm ERR! enoent ENOENT: no such file or directory, open '/path/package.json'
npm ran in a directory without a package.json.
Error: createRoot(...): Target container is not a DOM element.
The element passed to createRoot/render doesn’t exist when the script runs.
DefaultAzureCredential failed to retrieve a token from the included credentials / ManagedIdentityCredential authentication unavailable
The Azure SDK tried every credential source (env vars, workload identity, managed identity, CLI…) and none worked.
error NETSDK1045: The current .NET SDK does not support targeting .NET 8.0. Either target .NET 7.0 or lower, or use a version of the .NET SDK that supports .NET 8.0
The installed .NET SDK is older than the project’s TargetFramework.
WordPress: Your PHP installation appears to be missing the MySQL extension which is required by WordPress
PHP doesn’t have the mysqli extension loaded, so WordPress can’t talk to the database.
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.
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).
fatal: not a git repository (or any of the parent directories): .git
You ran a Git command outside a Git working tree.
Two steps away (36)
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.
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.
HTTP 413 Content Too Large (Request Entity Too Large)
The request body is bigger than the server is willing to accept — usually a file upload over the configured limit.
OAuth Error: redirect_uri_mismatch
The redirect URI in your OAuth request doesn’t exactly match one registered for the client in the provider’s console.
hint: You have divergent branches and need to specify how to reconcile them.
Git 2.27+ asks you to choose merge, rebase or fast-forward-only when local and remote both have new commits.
bash: command not found
The shell can’t find an executable with that name in any directory on your PATH.
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.
yarn: command not found
Yarn isn’t installed (or not enabled through Corepack) on this machine.
docker compose: services.x Additional property y is not allowed / yaml: line N: mapping values are not allowed
The compose file is invalid YAML or uses a key Compose doesn’t recognise at that level (usually an indentation mistake).
Warning: ReactDOM.render is no longer supported in React 18. Use createRoot instead.
The app uses the legacy root API, so React 18 features (concurrent rendering, automatic batching) are disabled.
docker: invalid reference format (repository name must be lowercase)
Docker couldn’t parse the image name — uppercase letters, spaces, an empty variable, or a misplaced option.
Error: ENOENT: no such file or directory
A file or directory the program tried to open doesn’t exist at that path.
error: pathspec 'x' did not match any file(s) known to git
Git couldn’t find the file or branch name you referenced.
error: unable to create file x: Filename too long (Windows)
Windows’ 260-character path limit blocked Git from creating a file.
DOMException: Failed to execute 'querySelector' on 'Document': 'x' is not a valid selector
The CSS selector string is invalid — often an ID starting with a digit or containing special characters.
ResizeObserver loop completed with undelivered notifications.
A ResizeObserver callback changed layout in a way that triggered another resize in the same frame.
Warning: Invalid DOM property `class`. Did you mean `className`?
HTML attribute names were used in JSX instead of their React/DOM property names.
Git: Permission denied (publickey). fatal: Could not read from remote repository.
SSH authentication to GitHub/GitLab/Bitbucket failed — no key, wrong key, or the key isn’t added to your account.
Azure AD (Entra ID): AADSTS700016 Application not found in the directory
The client ID in your sign-in request doesn’t exist in the tenant you’re authenticating against.
OAuth 2.0 Error: invalid_grant
The authorization code, refresh token or credentials sent to the token endpoint are invalid, expired, already used or were issued…
Could not load file or assembly 'X, Version=…' or one of its dependencies
The runtime couldn’t find or load a referenced DLL — missing from the output, wrong version, or wrong platform (x86/x64).
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…
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.
WordPress: Error Establishing a Database Connection
WordPress can’t connect to its MySQL/MariaDB database with the credentials in wp-config.php, or the database server is down.
adb server version (41) doesn't match this client (39); killing...
Two different adb binaries are running — e.g. Android Studio’s SDK adb and another one on PATH (Homebrew, Genymotion, older SDK).
IllegalStateException: Default FirebaseApp is not initialized in this process
Firebase couldn’t initialise because google-services.json or the Google Services Gradle plugin is missing/misapplied, or initiali…
! [remote rejected] main -> main (shallow update not allowed)
You pushed from a shallow clone to a remote that doesn’t accept shallow history.
remote: Permission to owner/repo.git denied to github-actions[bot]. fatal: unable to access … The requested URL returned error: 403
A GitHub Actions workflow tried to push but the GITHUB_TOKEN doesn’t have write permission.
npm ERR! `npm ci` can only install packages when your package.json and package-lock.json are in sync
package-lock.json doesn’t match package.json, so npm ci refuses to install.
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…
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.
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.
Git: ! [rejected] … (fetch first) — error: failed to push some refs
The remote branch has commits you don’t have locally, so Git refuses to overwrite them. Pull (merge or rebase) first, then push.
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.
Docker Desktop: WSL 2 installation is incomplete / WSL update required
Docker Desktop on Windows needs WSL 2 and its Linux kernel; they’re missing, outdated or disabled.
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