All Errors
4963 error solutions available - Page 36 of 249
RedisINTERMEDIATEMEDIUM
How to fix "NOGROUP No such consumer group" in Redis
This error occurs when using XREADGROUP on a Redis Stream consumer group that has not been created yet. Create the consumer group first with XGROUP CREATE before reading messages.
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NOGROUP No such consumer groupRedisINTERMEDIATEMEDIUM
How to fix "ERR SELECT is not allowed in cluster mode" in Redis
Redis Cluster mode only supports database 0 and disallows the SELECT command. This error occurs when your client attempts to switch databases in cluster mode, which is not supported by design.
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ERR SELECT is not allowed in cluster modeRedisINTERMEDIATEMEDIUM
How to fix "ERR This instance is not in cluster mode" in Redis
This error occurs when attempting to use Redis Cluster commands on a standalone Redis instance. Enable cluster mode in your redis.conf configuration file and restart the instance to resolve it.
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ERR This instance is not in cluster modePostgreSQLINTERMEDIATEMEDIUM
How to fix "Invalid input syntax for UUID" in PostgreSQL
This error occurs when you attempt to insert or query a UUID column with a malformed value. PostgreSQL expects UUIDs in the standard 8-4-4-4-12 hexadecimal format, and will reject any value that doesn't match valid UUID syntax.
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Invalid input syntax for UUIDPrismaBEGINNERMEDIUM
How to fix "P2011: Null constraint violation" in Prisma
This error occurs when you try to create or update a record without providing a required value for a non-nullable field. Ensure all required fields in your Prisma model have values before saving, check that default values are properly configured, and verify your schema matches your database constraints.
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P2011: Null constraint violation on the fieldRedisINTERMEDIATEMEDIUM
How to fix "ERR offset is out of range" in Redis
The offset value exceeds Redis string size limits (max 536,870,911 bytes). Verify offset is within bounds and your string doesn't exceed 512MB.
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ERR offset is out of rangePrismaINTERMEDIATEHIGH
How to fix 'P2020: Value out of range for the type' in Prisma
The P2020 error occurs when Prisma receives a value that exceeds the limits of the database column type. This commonly happens with invalid datetime values (like 0000-00-00 in MySQL), numeric values exceeding column precision/scale in PostgreSQL, or passing overly large decimal numbers. The error indicates a mismatch between your data and the database schema constraints.
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Value out of range for the typeSQLiteINTERMEDIATEMEDIUM
How to fix "SQLITE_INTERRUPT: Operation terminated" in SQLite
This error occurs when a database operation is intentionally interrupted using the sqlite3_interrupt() function, typically in response to user cancellation. Handle it by properly finalizing interrupted statements and implementing timeout mechanisms.
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SQLITE_INTERRUPT: Operation terminated by sqlite3_...RedisINTERMEDIATEMEDIUM
How to fix "ERR EXEC without MULTI" in Redis
This error occurs when EXEC is called without first starting a transaction with MULTI. It typically happens due to connection loss or improper transaction handling in client libraries. Fix it by ensuring MULTI is called before EXEC and using connection pooling.
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ERR EXEC without MULTIMongoDBBEGINNERHIGH
How to fix "MongoNetworkError: connect ECONNREFUSED 127.0.0.1:27017" in MongoDB
This error occurs when your application cannot connect to MongoDB on the default port 27017, typically because the MongoDB service is not running or misconfigured. Fix it by starting the MongoDB service and verifying your connection settings.
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MongoNetworkError: connect ECONNREFUSED 127.0.0.1:...MongoDBINTERMEDIATEHIGH
How to fix "MongoNetworkError: connection timeout" in MongoDB
This error occurs when your MongoDB client fails to establish a connection within the configured timeout period. It typically happens due to network issues, firewall blocking, misconfigured timeout settings, or unreachable database servers.
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MongoNetworkError: connection timeoutRedisINTERMEDIATEHIGH
How to fix "ERR max number of clients reached" in Redis
Redis has hit its maximum client connection limit. Increase the maxclients configuration, fix connection leaks in your application, or use connection pooling to resolve this error.
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ERR max number of clients reachedRedisINTERMEDIATEHIGH
How to fix "MISCONF Redis configured to save but unable to persist" in Redis
Redis has RDB snapshots enabled but cannot write to disk due to permission issues, disk space, or memory constraints. This prevents write operations and requires fixing the underlying persistence issue.
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MISCONF Redis configured to save but unable to per...RedisINTERMEDIATEHIGH
How to fix "ERR Can't SYNC while not connected" in Redis
This error occurs when a Redis replica attempts to synchronize with a master that is itself a replica but has lost its own master connection. Fixing it requires ensuring proper master configuration and network connectivity in your replication topology.
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ERR Can't SYNC while not connectedMongoDBINTERMEDIATEHIGH
How to fix "NotWritablePrimary: not primary" in MongoDB
This error occurs when your application tries to write to a secondary node instead of the primary in a MongoDB replica set. Write operations are only allowed on the primary node to maintain data consistency.
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NotWritablePrimary: not primaryRedisINTERMEDIATEHIGH
How to fix "ERR Can't handle AOF file: corrupted" in Redis
Redis fails to start when the append-only file (AOF) becomes corrupted. Use redis-check-aof to fix the file, but be aware data loss may occur if corruption is in the early part of the file.
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ERR Can't handle AOF file: corruptedSQLiteINTERMEDIATEHIGH
How to fix "SQLITE_FULL: Insertion failed because database is full" in SQLite
SQLite throws SQLITE_FULL when it cannot complete a write operation because disk space is exhausted or temporary directories lack sufficient space. Free disk space, redirect temp files, or enable auto-vacuum to resolve this issue.
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SQLITE_FULL: Insertion failed because database is ...MongoDBINTERMEDIATEHIGH
How to fix "ExceededMemoryLimit: Sort exceeded memory limit" in MongoDB
This error occurs when MongoDB attempts to sort documents without an index and the in-memory sort operation exceeds the configured memory limit (typically 32 MB by default). Solve it by creating indexes, enabling allowDiskUse, or optimizing your queries.
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ExceededMemoryLimit: Sort exceeded memory limitMongoDBBEGINNERHIGH
How to fix "Could not connect to any servers in your MongoDB Atlas cluster" in MongoDB
Your application cannot reach the MongoDB Atlas cluster. This is usually caused by IP whitelisting restrictions, authentication issues, DNS problems, or network connectivity issues. Check your IP access list and connection string credentials first.
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MongooseServerSelectionError: Could not connect to...SupabaseINTERMEDIATEHIGH
How to fix "mfa_factor_name_conflict: MFA factor name is already in use" in Supabase
The mfa_factor_name_conflict error occurs when you try to enroll a new MFA factor with a friendly name that's already in use by another factor for the same user. This happens because Supabase enforces unique friendly names to help users distinguish between multiple authentication methods.
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mfa_factor_name_conflict: MFA factor name is alrea...