How To Fix AD148 - Table & still contains pooled/cluster tables (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 148

• Message text: Table & still contains pooled/cluster tables (&)

What causes this issue?

You cannot change this physical table pool or table cluster whilst it
contains logical pooled tables or cluster tables. A structure change of
this type is not supported by the system.

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?

If you still want to change the physical table pool or table cluster,
you must start by deleting the logical tables.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD148 - Table & still contains pooled/cluster tables (&) ?

  The SAP error message AD148 indicates that a specific table still contains pooled or cluster tables, which is not allowed in certain contexts, particularly when you are trying to perform certain operations like deleting or modifying the table structure. This error typically arises when you are working with database tables in the ABAP Dictionary (SE11) or during transport requests.
  Cause:
  The error occurs because:
  
  Pooled and Cluster Tables: These types of tables are special types of database tables in SAP that are used to optimize storage and performance. They are not stored as individual tables in the database but are combined into a single table.
  Database Operations: Certain operations, such as deleting or modifying a table, cannot be performed if the table is still linked to pooled or cluster tables.
  Dependencies: The table you are trying to modify or delete has dependencies on other tables that are pooled or clustered.
  
  Solution:
  To resolve the AD148 error, you can follow these steps:
  
  
  Identify the Tables: Use transaction SE11 (Data Dictionary) to identify the specific pooled or cluster tables that are causing the issue. You can check the table definition and see if it is part of a pooled or cluster table.
  
  
  Remove Dependencies: If possible, remove any dependencies on the pooled or cluster tables. This may involve:
  
  Modifying the table structure to eliminate references to pooled or cluster tables.
  Changing the design of your database schema to avoid using pooled or cluster tables if they are not necessary.
  
  
  
  Check Table Usage: Ensure that the table is not being used in any active programs, function modules, or other database objects. If it is, you may need to deactivate or modify those objects first.
  
  
  Transport Requests: If you are working with transport requests, ensure that the transport does not include any pooled or cluster tables that are causing the issue.
  
  
  Consult Documentation: Review SAP documentation or consult with your SAP Basis team for best practices regarding the use of pooled and cluster tables.
  
  
  Recreate the Table: If the table is not critical, you may consider recreating it as a transparent table instead of a pooled or cluster table.
  
  
  Related Information:
  
  Pooled Tables: These are used to store data from multiple logical tables in a single physical table. They are typically used for smaller tables.
  Cluster Tables: These are used to store data from multiple logical tables that are related to each other. They are used for more complex data structures.
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator) can be useful for managing tables and understanding their structure.
  
  If you continue to face issues, it may be beneficial to reach out to your SAP support team or consult SAP Notes for more specific guidance related to your system version and configuration.