Fix: Docker exec format error
How to fix Docker exec format error caused by architecture mismatch (ARM vs x86), missing shebang line, wrong entrypoint, and multi-platform build issues.
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Fix: Docker error: network has active endpoints
How to fix Docker 'network has active endpoints' error when removing networks, caused by running containers, stale endpoints, orphaned compose networks, and failed cleanups.
Fix: Docker Error: Bind for 0.0.0.0:PORT failed: port is already allocated
How to fix Docker port is already allocated error by finding processes using the port, removing stopped containers, changing port mappings, and resolving Docker Compose port conflicts.
Fix: Express Cannot GET /route (404 Not Found)
How to fix Express.js Cannot GET route 404 error caused by wrong route paths, missing middleware, route order issues, static files, and router mounting problems.
Fix: FastAPI 422 Unprocessable Entity (validation error)
How to fix FastAPI 422 Unprocessable Entity error caused by wrong request body format, missing fields, type mismatches, query parameter errors, and Pydantic validation.
Fix: Git "cannot lock ref" – Unable to Create Lock File
How to fix the Git error 'cannot lock ref: Unable to create .git/refs/heads/branch-name.lock' caused by stale lock files, case conflicts, packed-refs corruption, and concurrent operations.
Fix: git cherry-pick error: could not apply commit (conflict)
How to fix git cherry-pick conflict errors caused by diverged branches, overlapping changes, missing context, renamed files, and merge commits.
Fix: error: failed to push some refs to remote
How to fix Git error 'failed to push some refs' caused by diverged branches, remote changes, protected branches, authentication failures, and pre-push hooks.
Fix: git error: src refspec 'main' does not match any
How to fix git error src refspec main does not match any caused by empty repos, wrong branch name, no commits, typos, and default branch mismatch.
Fix: Git fatal: not a valid object name: 'main'
How to fix Git fatal not a valid object name error caused by empty repositories, wrong branch names, missing initial commits, and corrupted refs.
Fix: Git remote rejected — file exceeds GitHub's file size limit of 100.00 MB
Resolve the GitHub push error when a file exceeds the 100 MB size limit by removing the large file from history, using Git LFS, or cleaning your repository with BFG Repo Cleaner.
Fix: Git "Your local changes would be overwritten by merge"
How to fix Git error 'Your local changes to the following files would be overwritten by merge' using git stash, commit, checkout, and pull strategies.