How To Fix CNV_IUUC_REPLICATION156 - Action &1 for table &2 is not allowed; Order not executed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 156

• Message text: Action &1 for table &2 is not allowed; Order not executed

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 CNV_IUUC_REPLICATION156 - Action &1 for table &2 is not allowed; Order not executed ?

  The SAP error message CNV_IUUC_REPLICATION156 typically occurs in the context of data replication or data migration processes, particularly when using the SAP Landscape Transformation (SLT) replication server. This error indicates that a certain action on a specified table is not allowed, and as a result, the order for that action was not executed.
  Cause:
  
  Replication Configuration Issues: The table in question may not be properly configured for replication. This could be due to missing settings in the SLT configuration or the table not being included in the replication setup.
  Table Locking: The table might be locked for some reason, preventing the action from being executed.
  Data Consistency Issues: There may be data consistency issues that prevent the action from being performed.
  Authorization Issues: The user executing the action may not have the necessary authorizations to perform the operation on the specified table.
  Technical Restrictions: Certain tables may have restrictions on replication due to their nature (e.g., system tables, temporary tables).
  
  Solution:
  
  Check Replication Configuration: Verify that the table is included in the SLT configuration and that all necessary settings are correctly configured.
  Review Table Locks: Check if the table is locked and resolve any locking issues. You can use transaction codes like SM12 to view and manage locks.
  Data Consistency Check: Ensure that the data in the source and target systems is consistent. You may need to perform data validation or cleansing.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the action on the specified table. You can check user roles and authorizations in transaction SU01.
  Consult Documentation: Review SAP documentation or notes related to the specific error message for any additional context or specific recommendations.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it involves complex replication scenarios.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLT, SM12, SU01, and SE11 for managing replication and checking table definitions.
  SAP Notes: Search for SAP Notes related to the error message CNV_IUUC_REPLICATION156 for any known issues or patches.
  SLT Documentation: Review the official SAP documentation on SLT for best practices and troubleshooting steps related to data replication.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.