Error map
EEXIST Error: EEXIST: file already exists, mkdir
Node.js · layer 4, Application & API
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)
Error: ENOENT: no such file or directory
A file or directory the program tried to open doesn’t exist at that path.
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…
java.nio.file.AccessDeniedException: /path
The OS denied a file operation to the Java process.
Error 0x80070570: The file or directory is corrupted and unreadable
Windows can’t read a file because the disk, USB stick or installation media has corrupted data or bad sectors.
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.
Error: EISDIR: illegal operation on a directory, read
A file API (readFile, writeFile, createReadStream) was given a directory path.
npm ERR! code EEXIST — EEXIST: file already exists, symlink '../lib/node_modules/x/bin/x' -> '/usr/local/bin/x'
A global install can’t create its command link because a file with that name already exists.
Error: EPERM: operation not permitted, rename / unlink
The OS refused a file operation — on Windows usually because another process (antivirus, editor, indexer) has the file locked.
Error: ENOTDIR: not a directory
A path treats a file as if it were a directory (e.g. file.txt/child).
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.
No space left on device, but df shows free space (inodes exhausted)
The filesystem has run out of inodes — the slots for files — even though there are gigabytes free, usually because of millions of…
Two steps away (29)
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.
bash: command not found
The shell can’t find an executable with that name in any directory on your PATH.
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.
npm ERR! code EACCES — permission denied
npm can’t write to a directory — usually global installs into a root-owned folder.
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.
Linux: Permission denied
Your user (or the service user) lacks read/write/execute permission on a file, directory or one of its parents.
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…
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.
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…
Blue Screen: MEMORY_MANAGEMENT (Stop code 0x0000001A)
Windows detected a severe memory-management error — commonly faulty RAM, unstable memory settings or a bad driver.
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).
Warning: include(x.php): Failed to open stream: No such file or directory
PHP couldn’t open a file for include/require/fopen — wrong path, missing file, or no permission.
error: unable to create file x: Filename too long (Windows)
Windows’ 260-character path limit blocked Git from creating a file.
npm ERR! enoent ENOENT: no such file or directory, open '/path/package.json'
npm ran in a directory without a package.json.
FileNotFoundError: [Errno 2] No such file or directory: 'data.csv'
Python couldn’t find the file at that path — usually because relative paths resolve from the working directory, not the script.
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x92 in position 10: invalid start byte
Python read bytes that aren’t valid in the encoding it assumed (usually UTF-8).
bash: /bin/rm: Argument list too long
A glob like * expanded to more file names than the kernel allows in one command (ARG_MAX), so the command never ran.
mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program
mount couldn’t mount the device — the filesystem type isn’t supported/installed, the partition is wrong, or the filesystem is dam…
0x80070020: The process cannot access the file because it is being used by another process
Another program has the file open (locked), so Windows can’t modify, delete or replace it.
npm ERR! code E401 — Unable to authenticate, need: Basic realm / Incorrect or missing password
The registry rejected your credentials — missing, expired or wrong auth token.
npm ERR! code E403 — 403 Forbidden - PUT https://registry.npmjs.org/x - You do not have permission to publish
The registry refused the operation — the package name is taken, you lack publish rights, or 2FA/policies block it.
npm ERR! cb() never called!
An old npm crash during install — usually network/cache corruption.
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.
Error: spawn EACCES
Node tried to execute a file that isn’t executable (missing +x permission) or isn’t a program.
PermissionError: [Errno 13] Permission denied: '/path'
The OS refused the file operation — no permission, a directory passed to open(), or (on Windows) the file is open elsewhere.
npm ERR! code ELSPROBLEMS — invalid / extraneous / missing packages in npm ls
npm ls found the installed tree doesn’t match package.json and the lockfile.
no space left on device (Docker / Linux)
The disk (or inode table) is full — Docker images, build cache, logs and volumes are common culprits.
sqlite3.OperationalError: unable to open database file
SQLite couldn’t open or create the database file — wrong path or missing/unwritable directory.
Read-only file system (EROFS) — cannot write to disk
The filesystem is mounted read-only — often because the kernel remounted it after detecting disk errors.
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