How To Fix DT147 - Table is still in conversion; activation is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 147

• Message text: Table is still in conversion; activation is not possible

What causes this issue?

Table &1 is to be activated as a dependent table of a Dictionary object.
This is not allowed because the table is currently being converted or
conversion was terminated.

System Response

The dependent table &1 will not be activated.

How to fix this error?

Repeat the activation of the object in question after the dependent
table has been successfully converted.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT147 - Table is still in conversion; activation is not possible ?

  The SAP error message DT147 ("Table is still in conversion; activation is not possible") typically occurs when there is an issue with the activation of a database table that is undergoing a conversion process. This can happen during various operations, such as when a table is being modified or when a new version of a table is being activated.
  Cause:
  
  Ongoing Conversion Process: The most common cause of this error is that the table is currently in a conversion state, which means that it is being modified or updated, and therefore cannot be activated until the conversion is complete.
  Long-running Processes: If there are long-running background jobs or processes that are still working on the table, it may prevent the activation.
  Locking Issues: Sometimes, database locks can prevent the activation of the table if another process is holding a lock on it.
  Transport Issues: If the table structure was transported from another system and is still in the process of being activated, this error may occur.
  
  Solution:
  
  Check Conversion Status: Use transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to check the status of the table. If it is still in conversion, you may need to wait for the process to complete.
  Monitor Background Jobs: Check for any background jobs that might be running and holding up the conversion. You can use transaction SM37 to monitor and manage background jobs.
  Release Locks: If there are locks on the table, you can use transaction SM12 to check for and release any unnecessary locks.
  Re-activate the Table: Once the conversion is complete, you can try to activate the table again using transaction SE11 or SE14.
  Check for Errors: If the conversion process has failed, you may need to check the logs for any errors that occurred during the conversion. This can provide insight into what went wrong and how to fix it.
  Consult SAP Notes: If the issue persists, check the SAP Support Portal for any relevant SAP Notes that may address this specific error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), SM12 (Lock Entries), and SM37 (Job Monitoring).
  SAP Notes: Regularly check for SAP Notes related to table conversion and activation issues, as they may provide specific fixes or workarounds.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide context for the issue.
  
  If the problem continues after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.