All Errors

The "INTERNAL: Internal error occurred" error in Firebase indicates a catch-all exception when the SDK encounters an unexpected server or client-side condition. This can arise from network issues, quota limits, SDK version conflicts, or temporary service degradation.

This generic Firebase error occurs across multiple services (Auth, Firestore, Storage, Cloud Functions) when the SDK encounters an unexpected issue that doesn't fit standard error codes. Common causes include network connectivity issues, missing service initialization, quota limits, IAM permission problems, or browser extension conflicts. The fix involves checking detailed error messages in browser console, verifying service status and configuration, and clearing cached data.

This error occurs when Firebase Cloud Messaging attempts to send a message to a registration token that is no longer valid or has been unregistered. The token may have expired due to inactivity, the user may have uninstalled the app, or the app data may have been cleared. The fix involves removing invalid tokens from your database and implementing proper token lifecycle management.

Redis Cluster returns `CROSSSLOT Keys in request don't hash to the same slot` when you attempt a multi-key operation (like MGET, MSET, transactions, or SUNION) on keys that hash to different hash slots. Redis Cluster partitions data across 16384 slots, and multi-key commands require all keys to map to the same slot unless you use hash tags. This guide explains slot hashing, hash tags, and how to fix key design issues.

MySQL ERROR 1025 occurs when attempting to rename or alter a table that has foreign key constraints or other structural conflicts. This error typically stems from constraint violations or file system issues during the rename operation.

PostgreSQL prevents automatic vacuuming of temporary tables since they are session-specific. Manual VACUUM calls within the same session are allowed, or you can use TRUNCATE for faster cleanup without requiring maintenance.

MySQL Error 1050 occurs when attempting to CREATE a table that already exists in the database. Fix it using IF NOT EXISTS clause or by checking/dropping the existing table first.

ERROR 1054 occurs when MySQL cannot find a column you referenced in your query. This is usually caused by a typo, missing quotes around string values, or referencing a column that does not exist in the table.

PostgreSQL error 25006 occurs when your session attempts to write to the database while in read-only mode. Read-only mode can be enabled at the database, session, or transaction level, preventing any INSERT, UPDATE, DELETE, or DDL operations. Disable read-only mode or connect to the primary server to resolve this.

ERROR 1055 occurs when a SELECT statement includes non-aggregated columns not in the GROUP BY clause while ONLY_FULL_GROUP_BY mode is enabled. Fix by adding missing columns to GROUP BY, using aggregate functions, or applying ANY_VALUE() to accept arbitrary values.

This error occurs when a column name referenced in your query exists in multiple joined tables, and MySQL cannot determine which table the column comes from. Qualify column names with table or alias prefixes to resolve the ambiguity.

This error occurs when you try to create an index or key on a column that doesn't exist in your MySQL table. It's typically caused by typos in column names, case sensitivity issues, or referencing a non-existent column in your ALTER TABLE or CREATE TABLE statement.

PostgreSQL raises this error when you attempt a write operation (INSERT, UPDATE, DELETE, CREATE, etc.) on a standby/replica server that is in recovery mode. Only the primary/master server accepts write transactions. Route write operations to the primary server to resolve this.

This error occurs when a GROUP BY query selects columns that are not aggregated or included in the GROUP BY clause. Add missing columns to GROUP BY or wrap them in aggregate functions like MAX(), MIN(), or ANY_VALUE().

MySQL ERROR 1036 occurs when the database cannot write to a table due to permission issues or read-only settings. This usually happens after copying database files, incorrect ownership, or enabling global read-only mode. Most commonly resolved by fixing file permissions.

SQLITE_MISUSE (error code 21) indicates the SQLite library is being used incorrectly, typically from using finalized statements, accessing connections from multiple threads, or calling API functions in the wrong order.

This Prisma Migrate error occurs when a database migration fails during execution and is automatically rolled back. The migration remains in a failed state and must be resolved before new migrations can be applied.

P1017 occurs when your database server unexpectedly closes the connection to Prisma. This can happen during migrations, query execution, or seed operations due to network issues, connection limits, or database server problems.

PostgreSQL terminates idle transactions to prevent locks and table bloat. Configure idle_in_transaction_session_timeout to set a maximum idle period, or disable it (0ms) for maintenance operations.

This warning appears when a PostgreSQL procedure returns multiple dynamic result sets using refcursors. It's informational, not an error, indicating that multiple cursors were opened and returned.