How To Fix IUUC_MAIN101 - Table count for &1 failed in receiver system (RFC destination &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_MAIN - IUUC: Main Message class

• Message number: 101

• Message text: Table count for &1 failed in receiver system (RFC destination &2)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_MAIN101 - Table count for &1 failed in receiver system (RFC destination &2) ?

  The SAP error message IUUC_MAIN101 indicates that there was a failure in counting the tables in the receiver system during a data transfer process, typically related to the SAP Landscape Transformation (SLT) replication setup. This error can occur for various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  RFC Connection Issues: The RFC destination specified may not be correctly configured, or there may be network issues preventing communication between the source and receiver systems.
  Authorization Problems: The user credentials used for the RFC connection may not have the necessary authorizations to access the required tables in the receiver system.
  Table Existence: The tables that are being counted may not exist in the receiver system, or there may be discrepancies in the table structure.
  System Configuration: There may be configuration issues in the SLT setup, such as incorrect settings in the SLT configuration or missing components.
  Database Issues: The database in the receiver system may be experiencing issues, such as being down or having performance problems.
  
  Solutions:
  
  
  Check RFC Connection:
  
  Verify the RFC destination configuration in transaction SM59. Ensure that the connection is set up correctly and test the connection to ensure it is working.
  
  
  
  Review Authorizations:
  
  Ensure that the user specified in the RFC destination has the necessary authorizations to access the tables in the receiver system. You can check this in transaction SU01 or PFCG.
  
  
  
  Validate Table Existence:
  
  Confirm that the tables you are trying to replicate exist in the receiver system and that their structures match those in the source system.
  
  
  
  Check SLT Configuration:
  
  Review the SLT configuration in transaction LTRC to ensure that all settings are correct. Look for any inconsistencies or errors in the configuration.
  
  
  
  Database Health Check:
  
  Check the health of the database in the receiver system. Ensure that it is up and running and that there are no performance issues.
  
  
  
  Review Logs:
  
  Check the SLT logs for more detailed error messages. You can find logs in transaction LTRC under the "Log" tab. This may provide more context on what went wrong.
  
  
  
  Restart Replication:
  
  If the issue persists, consider stopping and restarting the replication process to see if that resolves the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps. You can search for notes related to SLT and IUUC_MAIN101 in the SAP Support Portal.
  Documentation: Review the official SAP documentation for SLT to ensure that all prerequisites and configurations are correctly set up.
  Community Forums: Consider checking SAP Community forums or other SAP-related discussion platforms for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the IUUC_MAIN101 error in your SAP environment.