How To Fix IUUC_TAB150 - Table &1 pool table -> change not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_TAB - IUUC: Messages for table analysis

• Message number: 150

• Message text: Table &1 pool table -> change not allowed

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 IUUC_TAB150 - Table &1 pool table -> change not allowed ?

  The SAP error message IUUC_TAB150, which states "Table &1 pool table -> change not allowed," typically occurs in the context of SAP's data replication or data transfer processes, particularly when dealing with pool tables. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  
  Pool Table Restrictions: The error indicates that you are trying to make changes to a pool table, which is not allowed. Pool tables are special types of database tables in SAP that are designed to store data in a compact format. They are not intended for direct updates or changes in the same way that transparent tables are.
  
  
  Replication Issues: This error can also arise during data replication processes, such as when using SAP Landscape Transformation (SLT) or other data replication tools, where the system attempts to replicate data into a pool table.
  
  
  Incorrect Configuration: There may be a configuration issue in the data replication setup that is causing the system to attempt to write to a pool table incorrectly.
  
  
  Solution:
  
  
  Check Table Type: Verify the type of table you are working with. If it is a pool table, you will need to ensure that your operations are compatible with its restrictions. You cannot perform DML operations (like INSERT, UPDATE, DELETE) directly on pool tables.
  
  
  Use Transparent Tables: If you need to store data that requires frequent updates, consider using a transparent table instead of a pool table. Transparent tables allow for standard DML operations.
  
  
  Review Replication Configuration: If this error occurs during data replication, review the configuration settings of your replication setup. Ensure that the target tables are correctly defined and that you are not trying to replicate data into a pool table.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific replication technology you are using (e.g., SLT, SAP Data Services) for guidance on how to handle data for pool tables.
  
  
  Error Handling in Code: If you are developing custom code that interacts with the database, ensure that you have proper error handling in place to catch and manage this type of error.
  
  
  Related Information:
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error. SAP Notes can often provide patches or workarounds for known issues.
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  
  Documentation: Review the SAP Help Portal for documentation on database table types, especially regarding pool tables and their limitations.
  
  
  By following these steps, you should be able to address the IUUC_TAB150 error effectively. If the problem persists, consider reaching out to SAP support for further assistance.