How To Fix IUUC_TAB149 - Table &1 unclassified -> change not allowed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 149

• Message text: Table &1 unclassified -> 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_TAB149 - Table &1 unclassified -> change not allowed ?

  The SAP error message IUUC_TAB149, which states "Table &1 unclassified -> change not allowed," typically occurs in the context of SAP's Data Replication or Change Data Capture (CDC) processes, particularly when dealing with the SAP Landscape Transformation (SLT) or SAP Data Services.
  Cause:
  This error generally indicates that there is an attempt to make changes to a table that is not allowed due to its classification or the current state of the table. The reasons for this error can include:
  
  Table Classification: The table in question may be classified as a non-changeable table in the context of the replication or transformation process.
  Replication Settings: The settings for the replication process may not allow changes to certain tables, especially if they are configured as read-only.
  Data Model Restrictions: The data model may impose restrictions on certain tables to prevent changes that could lead to data integrity issues.
  Technical Settings: The technical settings of the table in the database may restrict updates or changes.
  
  Solution:
  To resolve the IUUC_TAB149 error, consider the following steps:
  
  
  Check Table Classification: Verify the classification of the table in the SAP system. Ensure that it is set up correctly for the intended operations (e.g., replication, updates).
  
  
  Review Replication Settings: Go to the SLT configuration and check the settings for the specific table. Ensure that it is allowed for change and that the replication settings are correctly configured.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the restrictions and requirements for the table in question.
  
  
  Technical Settings: Check the technical settings of the table in the database (e.g., in the Data Dictionary) to ensure that it is not set to a read-only state.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They can provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SLT Documentation: Review the SAP Landscape Transformation documentation for best practices and guidelines on table replication and change management.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the IUUC_TAB149 error and implement a suitable solution.