How To Fix AD631 - Changing table type? Delete data first

AD631 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 631

• Message text: Changing table type? Delete data first

What causes this issue?

The table type was changed from POOL/CLUSTER to INTTAB. However, the
pooled/cluster table contains data which must be deletion prior to
activation.

System Response

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

How to fix this error?

Delete the data from the pooled/cluster table using the database
utility.

Error message extract from SAP system. Copyright SAP SE.

AD631 - Details

• The SAP error message AD631, which states "Changing table type? Delete data first," typically occurs when you attempt to change the structure or type of a database table that already contains data. This is a safeguard mechanism in SAP to prevent data loss or corruption.
  
  Cause:
  
  Table Type Change: You are trying to change the type of a table (e.g., from transparent to pooled or cluster) or modify its structure in a way that is incompatible with the existing data.
  Existing Data: The table already contains data, and SAP requires that the data be deleted before making such structural changes.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Backup Data: Before making any changes, ensure that you back up the existing data in the table. You can export the data to a file or another table for safekeeping.
  
  
  Delete Data: If you are sure that you want to proceed with the change and do not