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Message type: E = Error
Message class: TW - R3trans - Messages
Message number: 144
Message text: Table & was already generated with different structure
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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TW144
- Table & was already generated with different structure ?The SAP error message TW144 indicates that a table (denoted by
&
) has already been generated with a different structure than what is currently being attempted. This typically occurs during the generation of database tables in the Data Dictionary (DDIC) when there is a mismatch between the existing table structure and the new definition being applied.Cause:
- Table Structure Change: The most common cause is that the table structure has been modified (e.g., fields added, removed, or changed) after it was initially created or generated.
- Transport Issues: If the table was transported from one system to another, and the structure in the target system does not match the source system, this error can occur.
- Development Environment: Changes made in a development environment that were not properly transported to the production environment can lead to discrepancies.
- Manual Changes: Manual changes made directly in the database (outside of SAP) can also lead to this error.
Solution:
- Check Table Structure: Use transaction SE11 (Data Dictionary) to check the current structure of the table. Compare it with the intended structure to identify discrepancies.
- Adjust the Table Definition: If the structure needs to be changed, you may need to adjust the table definition in the Data Dictionary and regenerate the table.
- Delete and Recreate: If the table is not populated with critical data, you might consider deleting the existing table and recreating it with the correct structure. Be cautious with this approach as it can lead to data loss.
- Transport Requests: Ensure that all transport requests related to the table structure have been properly imported into the target system.
- Check for Active Locks: Sometimes, active locks on the table can prevent changes. Use transaction SM12 to check for and remove any locks.
- Database Consistency: If the table structure is inconsistent due to manual changes, you may need to restore the table to a consistent state, possibly by using a backup or by recreating it.
Related Information:
If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
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