How To Fix AD630 - Changing table type? Delete database table first

AD630 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 630

• Message text: Changing table type? Delete database table first

What causes this issue?

Table type TRANSP was changed to a type which does not itself have a
direct representation on the database. This could be a table of type
cluster, pool or a structure.
There is already a database table for the transparent table. It is only
possible to activate the table when the database table has been
deleted.

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 database table with the database utility.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD630 - Changing table type? Delete database table first ?

  The SAP error message AD630, which states "Changing table type? Delete database table first," typically occurs when you attempt to change the type of a database table in the Data Dictionary (SE11) without first deleting the existing database table. This is a safeguard in SAP to prevent data loss or inconsistencies.
  
  Cause:
  
  Table Type Change: You are trying to change the type of a database table (e.g., from a transparent table to a pooled table or vice versa).
  Existing Data: The existing database table already contains data, and SAP requires that the table be deleted before changing its type to ensure that there is no data loss or corruption.
  
  
  Solution:
  
  
  Backup Data: Before proceeding, ensure that you back up any data in the existing table. You can do this by exporting the data to a file or creating a new table to store the data temporarily.
  
  
  Delete the Existing Table:
  
  Go to transaction SE11 (Data Dictionary).
  Enter the