How To Fix SDB2U107 - ALTER not possible; convert with SE14->'Extras'->'Force conversion'!

SAP Error Message - Details

• Message type: E = Error

• Message class: SDB2U - DB2/390: Messages for Function Group SDB2U

• Message number: 107

• Message text: ALTER not possible; convert with SE14->'Extras'->'Force conversion'!

Self-Explanatory Message

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDB2U107 - ALTER not possible; convert with SE14->'Extras'->'Force conversion'! ?

  The SAP error message SDB2U107 indicates that an ALTER operation on a database table is not possible due to certain conditions that need to be addressed. This typically occurs when there are inconsistencies or issues with the database table that prevent modifications.
  Cause:
  The error usually arises in the following scenarios:
  
  Inconsistent Database State: The database table may be in an inconsistent state, possibly due to previous failed operations or issues during data dictionary updates.
  Pending Conversions: There may be pending conversions or changes that need to be applied to the database table before any ALTER operations can be performed.
  Database Locking: The table might be locked by another process, preventing any alterations.
  
  Solution:
  To resolve the issue, you can follow these steps:
  
  
  Force Conversion:
  
  Go to transaction code SE14 (Database Utility).
  Enter the name of the table that is causing the issue.
  Click on Extras in the menu.
  Select Force Conversion.
  Follow the prompts to perform the conversion. This process will attempt to resolve any inconsistencies in the database table.
  
  
  
  Check for Locks:
  
  Use transaction code SM12 to check for any locks on the table. If there are locks, you may need to release them or wait for the processes holding the locks to complete.
  
  
  
  Check for Errors:
  
  After performing the force conversion, check for any errors or messages that may indicate further issues with the table.
  
  
  
  Re-attempt the ALTER Operation:
  
  Once the conversion is complete and any locks are resolved, try to perform the ALTER operation again.
  
  
  
  Related Information:
  
  Transaction SE14: This transaction is used for database utility operations, including table conversions and repairs.
  Database Consistency: Maintaining database consistency is crucial for the proper functioning of SAP applications. Regular checks and maintenance can help prevent such issues.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error message.
  
  If the problem persists after following these steps, it may be necessary to consult with your SAP Basis team or refer to SAP support for further assistance.