Error
Error Code:
3046
MySQL Error 3046: Data Length Mismatch
Description
MySQL Error 3046, 'Length error: %s in function %s', indicates that a string or binary value has an incorrect length for a specific operation or data type. This typically occurs when data exceeds column capacity, a function receives an invalid length parameter, or due to character set encoding issues.
Error Message
Length error: %s in function %s.
Known Causes
3 known causesData Exceeds Column Capacity
Attempting to store a string or binary value that is longer than the maximum length defined for the target column in the database schema.
Invalid Length in Function Call
Providing an incorrect or out-of-bounds length parameter to a MySQL string or binary manipulation function (e.g., SUBSTRING, LPAD, RPAD).
Character Encoding Byte Mismatch
When using multi-byte character sets, the byte length of data can exceed a column's defined byte capacity, even if the character count seems acceptable.
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