Using Firebase with error handler, you can check your error.code

firebaseErrorMessageHandler.js

export const firebaseErrorMessages = {
    // Auth Errors
    'auth/admin-restricted-operation': 'Admin restricted operation',
    'auth/argument-error': 'Argument error',
    'auth/app-not-authorized': 'App not authorized',
    'auth/app-not-installed': 'App not installed',
    'auth/captcha-check-failed': 'Captcha check failed',
    'auth/code-expired': 'Code expired',
    'auth/cordova-not-ready': 'Cordova not ready',
    'auth/cors-unsupported': 'CORS unsupported',
    'auth/credential-already-in-use': 'Credential already in use',
    'auth/custom-token-mismatch': 'Credential mismatch',
    'auth/requires-recent-login': 'Credential too old, login again',
    'auth/dynamic-link-not-activated': 'Dynamic link not activated',
    'auth/email-change-needs-verification': 'Email change needs verification',
    'auth/emulator-config-failed': 'Emulator config failed',
    'auth/expired-action-code': 'Expired action code',
    'auth/cancelled-popup-request': 'Expired popup request',
    'auth/invalid-api-key': 'Invalid API key',
    'auth/invalid-app-credential': 'Invalid app credential',
    'auth/invalid-app-id': 'Invalid app ID',
    'auth/invalid-user-token': 'Invalid auth',
    'auth/invalid-auth-event': 'Invalid auth event',
    'auth/invalid-cert-hash': 'Invalid cert hash',
    'auth/invalid-continue-uri': 'Invalid continue URI',
    'auth/invalid-cordova-configuration': 'Invalid Cordova configuration',
    'auth/invalid-dynamic-link-domain': 'Invalid dynamic link domain',
    'auth/invalid-emulator-scheme': 'Invalid emulator scheme',
    'auth/invalid-email': 'Invalid email',
    'auth/invalid-credential': 'Invalid IDP response',
    'auth/invalid-message-payload': 'Invalid message payload',
    'auth/invalid-multi-factor-session': 'Invalid multi-factor session',
    'auth/invalid-oauth-client-id': 'Invalid OAuth client ID',
    'auth/invalid-oauth-provider': 'Invalid OAuth provider',
    'auth/invalid-action-code': 'Invalid OOB code',
    'auth/unauthorized-domain': 'Invalid origin',
    'auth/wrong-password': 'Invalid password',
    'auth/invalid-persistence-type': 'Invalid persistence',
    'auth/invalid-phone-number': 'Invalid phone number',
    'auth/invalid-provider-id': 'Invalid provider ID',
    'auth/invalid-recipient-email': 'Invalid recipient email',
    'auth/invalid-sender': 'Invalid sender',
    'auth/invalid-verification-id': 'Invalid session info',
    'auth/invalid-tenant-id': 'Invalid tenant ID',
    'auth/multi-factor-info-not-found': 'MFA info not found',
    'auth/multi-factor-auth-required': 'MFA required',
    'auth/missing-android-pkg-name': 'Missing Android package name',
    'auth/missing-app-credential': 'Missing app credential',
    'auth/auth-domain-config-required': 'Missing auth domain',
    'auth/missing-verification-code': 'Missing code',
    'auth/missing-continue-uri': 'Missing continue URI',
    'auth/missing-iframe-start': 'Missing iframe start',
    'auth/missing-ios-bundle-id': 'Missing iOS bundle ID',
    'auth/missing-or-invalid-nonce': 'Missing or invalid nonce',
    'auth/missing-multi-factor-info': 'Missing multi-factor info',
    'auth/missing-multi-factor-session': 'Missing multi-factor session',
    'auth/missing-phone-number': 'Missing phone number',
    'auth/missing-verification-id': 'Missing session info',
    'auth/missing-password': 'Missing password',
    'auth/app-deleted': 'Module destroyed',
    'auth/account-exists-with-different-credential': 'Need confirmation',
    'auth/network-request-failed': 'Network request failed',
    'auth/null-user': 'Null user',
    'auth/no-auth-event': 'No auth event',
    'auth/no-such-provider': 'No such provider',
    'auth/operation-not-allowed': 'Operation not allowed',
    'auth/operation-not-supported-in-this-environment': 'Operation not supported',
    'auth/popup-blocked': 'Popup blocked',
    'auth/popup-closed-by-user': 'Popup closed by user',
    'auth/provider-already-linked': 'Provider already linked',
    'auth/quota-exceeded': 'Quota exceeded',
    'auth/redirect-cancelled-by-user': 'Redirect cancelled by user',
    'auth/redirect-operation-pending': 'Redirect operation pending',
    'auth/rejected-credential': 'Rejected credential',
    'auth/second-factor-already-in-use': 'Second factor already enrolled',
    'auth/maximum-second-factor-count-exceeded': 'Second factor limit exceeded',
    'auth/tenant-id-mismatch': 'Tenant ID mismatch',
    'auth/timeout': 'Timeout',
    'auth/user-token-expired': 'Token expired',
    'auth/too-many-requests': 'Too many attempts, try later',
    'auth/unauthorized-continue-uri': 'Unauthorized domain',
    'auth/unsupported-first-factor': 'Unsupported first factor',
    'auth/unsupported-persistence-type': 'Unsupported persistence',
    'auth/unsupported-tenant-operation': 'Unsupported tenant operation',
    'auth/unverified-email': 'Unverified email',
    'auth/user-cancelled': 'User cancelled',
    'auth/user-not-found': 'User not found',
    'auth/user-disabled': 'User disabled',
    'auth/user-mismatch': 'User mismatch',
    'auth/user-signed-out': 'User signed out',
    'auth/weak-password': 'Weak password',
    'auth/web-storage-unsupported': 'Web storage unsupported',
    'auth/already-initialized': 'Already initialized',
    // Firestore Errors
    'firestore/aborted': 'The operation was aborted',
    'firestore/already-exists': 'Document already exists',
    'firestore/cancelled': 'The operation was cancelled',
    'firestore/data-loss': 'Unrecoverable data loss or corruption',
    'firestore/deadline-exceeded': 'Deadline expired before operation could complete',
    'firestore/failed-precondition': 'System not in a state required for the operation',
    'firestore/internal': 'Internal errors',
    'firestore/invalid-argument': 'Client specified an invalid argument',
    'firestore/not-found': 'Requested document was not found',
    'firestore/ok': 'The operation completed successfully',
    'firestore/out-of-range': 'Operation attempted past the valid range',
    'firestore/permission-denied': 'Caller does not have permission to execute operation',
    'firestore/resource-exhausted': 'Resource has been exhausted',
    'firestore/unauthenticated': 'Request does not have valid authentication credentials',
    'firestore/unavailable': 'The service is currently unavailable',
    'firestore/unimplemented': 'Operation is not implemented or not supported/enabled',
    'firestore/unknown': 'Unknown error or an error from a different error domain',
    // Storage Errors
    'storage/unknown': 'Unknown error occurred',
    'storage/object-not-found': 'Object not found',
    'storage/bucket-not-found': 'Bucket not found',
    'storage/project-not-found': 'Project not found',
    'storage/quota-exceeded': 'Quota exceeded',
    'storage/unauthenticated': 'User is unauthenticated',
    'storage/unauthorized': 'User is not authorized to perform this action',
    'storage/retry-limit-exceeded': 'Retry limit exceeded',
    'storage/cancelled': 'Operation cancelled',
    'storage/invalid-checksum': 'Invalid checksum',
    // Realtime Database Errors
    'database/invalid-permission-denied': 'Permission denied.',
    'database/unauthenticated': 'Unauthenticated request.',
    'database/maximum-retries': 'Maximum retries reached.',
    'database/invalid-data': 'Invalid data.',
    'database/write-throttled': 'Write throttled.',
    'database/resource-exhausted': 'Resource exhausted.',
    'database/unknown-error': 'An unknown error occurred.',
    'database/network-error': 'Network error.',
    'database/transaction-aborted': 'Transaction aborted.',
    'database/permission-denied': 'Permission denied.',
};