Error map
AADSTS50126 AADSTS50126: Error validating credentials due to invalid username or password
Azure · 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)
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.
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…
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…
AADSTS50053: Your account is locked (Smart Lockout) / sign-in blocked due to suspicious activity
Too many failed sign-ins (or sign-ins from a malicious IP) triggered Entra Smart Lockout.
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…
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.
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…
unauthorized: authentication required (docker push / pull)
The registry needs credentials for this operation and the request had none or had expired ones.
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.
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…
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.
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.
Two steps away (36)
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.
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.
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.
HTTP 401 Unauthorized
The request has no valid authentication credentials — you need to log in or send a valid token.
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…
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…
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.
Error creating: pods is forbidden: violates PodSecurity "restricted:latest": allowPrivilegeEscalation != false ...
The namespace enforces a Pod Security Standard (baseline/restricted) and the pod spec breaks one of its rules.
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…
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY
apt can’t verify a repository’s signature because the repo’s signing key isn’t installed (or has expired/rotated).
Kubernetes: ImagePullBackOff / ErrImagePull
The node can’t pull the container image — wrong name/tag, missing registry credentials, or registry unreachable.
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.
manifest for image:tag not found: manifest unknown
The repository exists, but the tag you asked for doesn’t — it was never pushed, was deleted, or is misspelled.
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): 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…
error: src refspec main does not match any
You pushed a branch name that doesn’t exist locally — usually no commits yet, or the branch is called master not main.
AWS: ExpiredToken — The security token included in the request is expired
Temporary AWS credentials (STS/SSO/assumed role) have expired.
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…
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.
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.
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.
API Error: Feature not enabled for this account (feature_not_enabled / not available on your plan)
The endpoint or option exists, but your account, plan, region or project hasn’t been granted access to it.
http: server gave HTTP response to HTTPS client (insecure registry)
Docker spoke HTTPS to a registry that only serves plain HTTP — typically a local or lab registry.
AADSTS90002: Tenant 'x' not found
The tenant ID or domain in the authority URL doesn’t exist — or isn’t in the cloud you’re calling (public vs government/China).
HTTP 400 Bad Request
The server could not understand the request because its syntax, headers or body are malformed or invalid.
OAuth 2.0 Error: invalid_client
The OAuth server couldn’t authenticate your application — wrong client ID/secret, wrong auth method, or the client doesn’t exist…
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.
error: remote origin already exists.
A remote named origin is already configured.
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.
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.
kubectl: The connection to the server localhost:8080 was refused — did you specify the right host or port?
kubectl has no usable kubeconfig, so it falls back to localhost:8080 — or the cluster API server is unreachable.
Error from server (Forbidden): pods is forbidden: User "x" cannot list resource "pods" in API group "" in the namespace
You’re authenticated to the cluster, but RBAC doesn’t give your user or service account that verb on that resource.
Unable to connect to the server: x509: certificate has expired or is not yet valid / certificate signed by unknown authority
kubectl doesn’t trust the API server’s certificate — it expired (kubeadm clusters after 1 year), the CA in kubeconfig is wrong, o…
Map another error
Popular: 500403400ORA-009331064Critical errorFileNotFoundException assemblyTypeError