Error map
Repository not found remote: Repository not found. fatal: repository 'https://github.com/x/y.git/' not found
Git · layer 7, Build & delivery
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)
denied: requested access to the resource is denied (docker push)
You’re logged in, but not allowed to push to that repository — usually the image isn’t tagged with your own username/organisation.
invalid_token: The access token is invalid (JsonWebTokenError: invalid signature / jwt malformed)
A token was sent but the server couldn’t verify it — bad signature, malformed, revoked, or issued for another audience or environ…
Bearer error="invalid_token": IDX10223: Lifetime validation failed. The token is expired / IDX10501: Signature validation failed
ASP.NET Core’s JwtBearer middleware rejected the token — expired (IDX10223), signature key not found (IDX10501/IDX10503), or wron…
denied: Your authorization token has expired. Reauthenticate and try again. (Amazon ECR)
Docker’s login to Amazon ECR has expired — ECR tokens last 12 hours, so pushes and pulls fail until you log in again.
UnrecognizedClientException: The security token included in the request is invalid
The access key or session token isn’t recognised — wrong/deleted key, a session token missing for temporary credentials, or a reg…
IDX20803: Unable to obtain configuration from: 'https://login.example.com/.well-known/openid-configuration'
The OpenID Connect / JWT bearer middleware couldn’t download the identity provider’s metadata, so it can’t validate tokens or red…
Firebase Auth: auth/invalid-credential (auth/wrong-password, auth/user-not-found, auth/invalid-login-credentials)
Firebase rejected the email/password sign-in — wrong password, no such user, or a provider credential that’s malformed/expired.
AWS Cognito: NotAuthorizedException: Incorrect username or password
Cognito rejected the sign-in — wrong credentials, a disabled user, an auth flow not enabled on the app client, or an expired refr…
! [remote rejected] … (refusing to allow a Personal Access Token to create or update workflow `.github/workflows/x.yml` without `workflow` scope)
Your token can’t modify GitHub Actions workflow files without the workflow scope.
remote: Support for password authentication was removed on August 13, 2021. Please use a personal access token instead.
GitHub no longer accepts account passwords for Git over HTTPS.
fatal: 'origin' does not appear to be a git repository
No remote named origin is configured (or it points nowhere valid).
Azure CLI: Please run 'az login' to setup account / No subscription found
The Azure CLI has no signed-in account (or its token expired), or the account has no subscriptions.
Two steps away (36)
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.
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.
HTTP 401 Unauthorized
The request has no valid authentication credentials — you need to log in or send a valid token.
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.
JWT Expired / Invalid Token
The JSON Web Token sent with the request is expired, malformed or signed with a different key, so the API rejects it (usually wit…
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…
API Error: Invalid API Key / Incorrect API key provided
The API didn’t recognise the key sent with the request — it’s wrong, revoked, from another environment, or sent in the wrong plac…
Azure AD (Entra ID): AADSTS50076 / AADSTS50079 — multi-factor authentication required
A Conditional Access policy requires MFA, but the sign-in flow (often a script, legacy client or ROPC password grant) can’t compl…
fatal: Authentication failed for 'https://github.com/x/y.git/'
HTTPS authentication to the Git host failed — wrong or expired credentials, or a password used where a token is required.
AWS: ExpiredToken — The security token included in the request is expired
Temporary AWS credentials (STS/SSO/assumed role) have expired.
Host key verification failed. fatal: Could not read from remote repository.
SSH doesn’t trust the server’s host key — first connection in a non-interactive environment, or the key changed.
ReplyError: NOAUTH Authentication required.
The Redis server requires a password (or ACL user) but the client didn’t authenticate.
AWS: Unable to locate credentials / Could not load credentials from any providers
The AWS CLI/SDK found no credentials in any place it looks — env vars, profile files, SSO cache or an instance/task role.
AWS: SignatureDoesNotMatch / InvalidClientTokenId — the request signature we calculated does not match
AWS rejected the request signature — wrong secret key, wrong region, clock skew, or a presigned URL used differently from how 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 ENEEDAUTH — need auth This command requires you to be logged in
npm needs credentials (publishing, private packages) but none are configured for that registry.
npm ERR! code EOTP — This operation requires a one-time password from your authenticator
Your npm account has 2FA for writes and no one-time password was supplied.
{"message":"Missing Authentication Token"} / No authorization token was found
The request reached a protected endpoint without credentials — or, on AWS API Gateway, it hit a path/method that doesn’t exist.
pull access denied for image, repository does not exist or may require 'docker login'
Docker couldn’t pull the image: the name or tag is wrong, the repository is private and you’re not logged in, or it doesn’t exist…
unauthorized: authentication required (docker push / pull)
The registry needs credentials for this operation and the request had none or had expired ones.
error getting credentials - err: exec: "docker-credential-desktop": executable file not found in $PATH
~/.docker/config.json tells Docker to use a credential helper (desktop, osxkeychain, wincred) that isn’t installed or on PATH.
AccessDeniedException: User: arn:aws:iam::... is not authorized to perform: service:Action on resource: ...
The IAM user or role making the call has no permission for that action on that resource — the message names both.
Error saving credentials: error storing credentials - err: exit status 1
docker login authenticated, but the credential helper (keychain, pass, wincred) couldn’t store the password.
Error response from daemon: Get "https://registry-1.docker.io/v2/": unauthorized: incorrect username or password
docker login was rejected — wrong credentials, or the account requires an access token instead of the password.
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.
AADSTS50126: Error validating credentials due to invalid username or password
Microsoft Entra ID (Azure AD) rejected the sign-in because the username or password is wrong — or the flow can’t use passwords fo…
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.
SSL: CERTIFICATE_VERIFY_FAILED / unable to get local issuer certificate
The client couldn’t verify the server’s TLS certificate chain, so it refused the HTTPS connection.
Mixed Content: The page was loaded over HTTPS, but requested an insecure resource
An HTTPS page tried to load a script, API or image over plain HTTP, and the browser blocked (or warned about) it.
CLEARTEXT communication to host not permitted by network security policy
Android 9+ blocks plain `http://` requests by default; the app tried to call a non-HTTPS URL.
error: remote origin already exists.
A remote named origin is already configured.
error: cannot lock ref 'refs/remotes/origin/x': is at … but expected … / unable to update local ref
Git couldn’t update a reference — stale remote-tracking refs, case-only branch name clashes, or a leftover lock file.
! [remote rejected] main -> main (branch is currently checked out)
You pushed to a non-bare repository whose working tree has that branch checked out.
error: You must be logged in to the server (Unauthorized)
The cluster rejected kubectl’s credentials — expired token, wrong kubeconfig user, or cloud IAM identity not allowed.
Received disconnect: Too many authentication failures
Your SSH agent offered too many keys before the right one, and the server cut the connection (MaxAuthTries, default 6).
AADSTS50173: The provided grant has expired due to it being revoked, a fresh auth token is needed
The refresh token was revoked — usually because the user changed or reset their password, or an admin revoked sessions.
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