Error map
EACCES Linux: Permission denied
Linux · layer 6, Platform & cloud
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)
HTTP 403 Forbidden
The server understood the request but refuses to authorize it — you (or the server process) are not allowed to access this resour…
Windows Error 0x80070005 (E_ACCESSDENIED): Access is denied
Windows refused an operation because the account or process lacks permission — seen in Windows Update, installers, Task Scheduler…
sqlite3.OperationalError: attempt to write a readonly database
The process can’t write to the SQLite file or its directory.
macOS: Operation not permitted — Terminal/app lacks Full Disk Access (TCC privacy protection)
macOS privacy protection (TCC) blocked access to protected folders (Desktop, Documents, Downloads, Mail, Photos, external volumes…
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
The docker CLI can’t talk to the Docker engine — it isn’t running, or your user can’t access the socket.
user is not in the sudoers file. This incident will be reported.
Your account isn’t allowed to use sudo.
System.UnauthorizedAccessException: Access to the path 'x' is denied
The process’s identity can’t read/write that file or folder — IIS app pool identity, container user, read-only attribute, or a di…
WordPress: Installation failed: Could not create directory (plugin/theme install or update)
WordPress can’t write to wp-content/plugins, themes or upgrade — ownership/permissions or disk space.
java.nio.file.AccessDeniedException: /path
The OS denied a file operation to the Java process.
npm ERR! code EROFS — EROFS: read-only file system
npm tried to write to a read-only location (read-only container filesystem, mounted volume, or system path).
SELinux is preventing ... / avc: denied { read } for pid=... (permission denied despite correct permissions)
SELinux blocked the access — file permissions look fine, but the file’s security context or a boolean doesn’t allow the service t…
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.
Two steps away (36)
AWS S3: AccessDenied (403) when calling GetObject / PutObject
An IAM policy, bucket policy, ACL/ownership setting, Block Public Access or KMS key policy denied the S3 request.
HTTP 401 Unauthorized
The request has no valid authentication credentials — you need to log in or send a valid token.
HTTP 404 Not Found
The server can’t find anything at the requested URL.
Windows Error 0x80070002: The system cannot find the file specified
A file or registry entry Windows expected is missing — common in Windows Update, backups and app installs.
Windows Error 0x80004005 (E_FAIL): Unspecified error
A generic failure code — the operation failed for a reason the component didn’t report precisely. Context decides the fix.
NotAllowedError: Failed to execute 'writeText' on 'Clipboard': Document is not focused.
The Clipboard API refused to write — the page isn’t focused, there was no user gesture, or the context isn’t secure.
sqlite3.OperationalError: database is locked (SQLITE_BUSY)
Another connection holds a write lock on the SQLite file, and this one gave up waiting.
sqlite3.OperationalError: no such column: x
SQLite can’t find the column — missing migration, typo, or a string written in double quotes.
sqlite3.IntegrityError: UNIQUE constraint failed: users.email
An insert/update duplicated a value in a UNIQUE or PRIMARY KEY column in SQLite.
npm ERR! code EACCES — permission denied
npm can’t write to a directory — usually global installs into a root-owned folder.
OAuth 2.0 Error: invalid_scope / insufficient_scope
The requested scope is unknown or not allowed for this client — or the token lacks the scope the API endpoint requires.
WordPress: Sorry, you are not allowed to access this page.
Your user role lacks the capability for that admin screen — or the database table prefix / user capabilities are out of sync afte…
MySQL ERROR 2002 (HY000): Can't connect to local MySQL server through socket
The client couldn’t reach the MySQL server — it isn’t running, or the client is looking for the socket/port in the wrong place.
Docker: Bind for 0.0.0.0:80 failed: port is already allocated
Another container or host process already publishes that host port.
Error: getaddrinfo ENOTFOUND host / Name or service not known
DNS lookup for the hostname failed — the name is wrong, doesn’t exist, or this machine can’t resolve it.
E: Could not get lock /var/lib/dpkg/lock-frontend — is another process using it?
apt can’t run because another package operation (often automatic updates) holds the dpkg lock.
Error: listen EACCES: permission denied 0.0.0.0:80
Node isn’t allowed to bind that port — ports below 1024 need root on Linux/macOS, and some Windows ports are reserved.
PERMISSION_DENIED: The caller does not have permission (insufficient permissions)
You are authenticated, but your identity isn’t allowed to perform this action on this resource.
Error: ENOENT: no such file or directory
A file or directory the program tried to open doesn’t exist at that path.
java.io.FileNotFoundException: config.properties (No such file or directory)
Java couldn’t open the file — wrong path relative to the working directory, missing file, or a classpath resource read as a file.
java.nio.file.NoSuchFileException: /path/file
An NIO Files operation targeted a path that doesn’t exist.
WordPress: There Has Been a Critical Error on This Website
A PHP fatal error (usually from a plugin or theme) stopped WordPress; the real error is in the debug log or recovery-mode email.
WordPress: Unable to create directory wp-content/uploads/2026/10. Is its parent directory writable by the server?
PHP can’t write to wp-content/uploads — wrong ownership/permissions, a wrong upload path, full disk, or open_basedir restrictions.
To perform the requested action, WordPress needs to access your web server. Please enter your FTP credentials to proceed
WordPress can’t write directly to its files (ownership differs from the PHP user), so it falls back to asking for FTP details.
java.lang.StringIndexOutOfBoundsException: begin 0, end 10, length 5
substring()/charAt() used an index outside the string.
java.lang.ArithmeticException: / by zero
Integer division or modulo by zero.
java.lang.UnsupportedOperationException (List.of / Arrays.asList is immutable)
Code tried to modify an immutable or fixed-size collection.
Kubernetes: CrashLoopBackOff
The container starts, crashes (or exits), and Kubernetes keeps restarting it with increasing back-off delays.
Conflict. The container name "/x" is already in use by container …
A container (running or stopped) already has that name; Docker won’t create a second one with the same name.
npm ERR! code ENOTEMPTY — ENOTEMPTY: directory not empty, rename
npm couldn’t rename a folder in node_modules because it wasn’t empty — usually a corrupted or concurrently modified node_modules.
Webhook signature verification failed (Stripe, Razorpay, GitHub…)
Your endpoint computed a different HMAC signature than the one the provider sent, so the webhook is rejected.
Permission denied writing to a mounted volume inside a Docker container
The process inside the container runs as a user (UID) that doesn’t own the bind-mounted host folder, so reads/writes fail with EA…
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! (ssh host key changed)
The server’s SSH host key differs from the one saved in ~/.ssh/known_hosts — usually because the server was rebuilt or the IP was…
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.
fatal: not a git repository (or any of the parent directories): .git
You ran a Git command outside a Git working tree.
remote: Repository not found. fatal: repository 'https://github.com/x/y.git/' not found
GitHub/GitLab says the repository doesn’t exist — or you lack access to a private repo.
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