How To Fix IUUC_MAIN188 - Call of check method &2 of class &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_MAIN - IUUC: Main Message class

• Message number: 188

• Message text: Call of check method &2 of class &1 failed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_MAIN188 - Call of check method &2 of class &1 failed ?

  The SAP error message IUUC_MAIN188, which states "Call of check method &2 of class &1 failed," typically occurs in the context of SAP Landscape Transformation (SLT) or Data Replication. This error indicates that there is an issue with the execution of a check method in a specific class, which is often related to data replication or transformation processes.
  Causes:
  
  Configuration Issues: The error may arise due to incorrect configuration settings in the SLT system or the source/target systems.
  Data Consistency: There may be inconsistencies in the data being replicated, such as missing or invalid entries.
  Custom Code: If there are custom implementations or enhancements in the SLT process, they may not be functioning correctly.
  System Resources: Insufficient system resources (like memory or processing power) can lead to failures in executing methods.
  Transport Issues: If the class or method was recently transported from another system, it may not have been properly activated or may have dependencies that are not met.
  
  Solutions:
  
  Check Configuration: Review the SLT configuration settings to ensure they are correct. This includes checking the connection settings, replication settings, and any filters applied.
  Data Validation: Validate the data in the source system to ensure there are no inconsistencies or invalid entries that could cause the check method to fail.
  Review Custom Code: If there are custom enhancements, review the code for errors or issues. Debugging the method can help identify the root cause.
  System Monitoring: Monitor system resources to ensure that there are enough resources available for the SLT process to execute properly.
  Re-transport and Activate: If the issue is related to a transport, ensure that the class and method are properly activated in the target system.
  Check Logs: Review the SLT logs and the application logs (transaction SLG1) for more detailed error messages that can provide additional context on the failure.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SLT, SLG1 (Application Log), and SE80 (Object Navigator) to investigate the issue further.
  SAP Notes: Check for relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Refer to the official SAP documentation for SLT and data replication for best practices and troubleshooting steps.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.