Error
Error Code:
12
MongoDB Error 12: Unsupported Format Detected
Description
MongoDB Error 12, 'Unsupported Format', indicates that the database received data or a command in an unrecognized or unprocessable format. This error commonly occurs when client applications send malformed BSON documents, use incompatible wire protocol versions, or attempt to store data that violates expected type constraints.
Error Message
Unsupported Format
Known Causes
4 known causesMalformed BSON Document
The client application sent a BSON document that is syntactically incorrect or corrupted, preventing MongoDB from parsing it.
Incompatible Wire Protocol
The client application is using a wire protocol version that is not supported by the MongoDB server, leading to misinterpretation of commands.
Incorrect Data Type or Schema Violation
An attempt was made to insert data with a type that MongoDB cannot process for the given context, or it violates a defined schema validation rule.
Data Corruption During Transmission
Data sent from the client to the server became corrupted in transit, resulting in an unreadable format upon arrival.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service