How To Fix IUUC_MAIN100 - Table count for &1 failed in sender system (RFC destination &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_MAIN - IUUC: Main Message class

• Message number: 100

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_MAIN100 - Table count for &1 failed in sender system (RFC destination &2) ?

  The SAP error message IUUC_MAIN100 indicates that there is an issue with the table count in the sender system when using the Remote Function Call (RFC) destination. This error typically occurs in the context of SAP Landscape Transformation (SLT) or Data Replication processes, where data is being replicated from one SAP system to another.
  Cause:
  
  RFC Connection Issues: The RFC destination specified may not be correctly configured, or there may be connectivity issues between the source and target systems.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the required tables.
  Table Not Found: The specified table may not exist in the sender system, or it may have been deleted or renamed.
  Database Issues: There could be underlying database issues, such as locks or corruption, that prevent the table count from being retrieved.
  Configuration Issues: The SLT configuration may not be set up correctly, leading to inconsistencies in the data replication setup.
  
  Solution:
  
  
  Check RFC Connection:
  
  Verify that the RFC destination is correctly configured in transaction SM59.
  Test the connection to ensure that it is working properly.
  
  
  
  Check Authorizations:
  
  Ensure that the user used for the RFC connection has the necessary authorizations to access the tables in the sender system.
  
  
  
  Verify Table Existence:
  
  Check if the specified table exists in the sender system. You can do this by using transaction SE11 to look up the table.
  
  
  
  Database Health Check:
  
  Perform a health check on the database to ensure there are no locks or corruption issues. You may need to consult your database administrator for this.
  
  
  
  Review SLT Configuration:
  
  Go through the SLT configuration settings to ensure that everything is set up correctly. This includes checking the configuration in transaction LTRC or LTRC for SLT.
  
  
  
  Check Logs:
  
  Review the SLT logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Restart Replication:
  
  If the issue persists, consider stopping and restarting the replication process to see if that resolves the issue.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  SE11: Data Dictionary (to check table existence)
  LTRC: SLT Configuration and Monitoring
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for SLT and data replication for more detailed guidance on configuration and troubleshooting.
  
  If the problem continues after following these steps, it may be necessary to engage SAP support for further assistance.