Error
Error Code:
338
SAP S/4HANA Error 338: Zero-Length Columns Not Allowed
Description
This error, ERR_SQL_ZERO_LEN_NOT_ALLOWED, indicates an attempt to define, insert, or update data in a database column with a specified or resulting zero length. SQL databases typically prohibit zero-length columns as they violate data integrity rules and can lead to unexpected behavior. It commonly occurs during custom development, data migration, or incorrect field configuration.
Error Message
ERR_SQL_ZERO_LEN_NOT_ALLOWED
Known Causes
3 known causesInvalid Column Definition
A custom field, table, or extension might be incorrectly defined in the ABAP Dictionary or data model with a specified length of zero for a column, which is not allowed by the underlying database.
Zero-Length Input Data
Data being imported via migration tools, APIs, or interfaces contains fields that are either empty, NULL, or explicitly defined as zero-length, violating the target database column's integrity rules.
Custom Code Data Handling
A custom ABAP program or enhancement attempts to insert or update a database record with a value that results in a zero-length string or an invalid data length for a specific column.
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