How To Fix DMC_RT_MSG163 - Application error in called function module

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 163

• Message text: Application error in called function module

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 DMC_RT_MSG163 - Application error in called function module ?

  The SAP error message DMC_RT_MSG163 indicates that there is an application error in a called function module. This error typically arises during data migration or data transfer processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools.
  Causes:
  
  Function Module Issues: The function module being called may have encountered an unexpected condition, such as missing data, incorrect data types, or other logical errors.
  Data Issues: The data being processed may not meet the required format or constraints, leading to validation errors.
  Configuration Problems: There may be issues with the configuration of the migration project, such as incorrect mapping or settings.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the operation.
  System Performance: Resource constraints or performance issues in the SAP system can also lead to application errors.
  
  Solutions:
  
  Check Logs: Review the detailed logs for the migration process to identify the specific function module that caused the error and any additional error messages that may provide context.
  Data Validation: Ensure that the data being migrated is complete, correctly formatted, and adheres to the required constraints. Validate the data against the target structure.
  Function Module Debugging: If you have access to the ABAP development environment, you can debug the function module to identify the exact point of failure and the conditions leading to the error.
  Configuration Review: Double-check the configuration settings in the migration project, including mapping and transformation rules, to ensure they are set up correctly.
  User Authorizations: Verify that the user executing the migration has the necessary authorizations to access the required data and execute the function module.
  System Resources: Monitor system performance and resource usage. If necessary, optimize the system or schedule the migration during off-peak hours to reduce load.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the Data Migration Cockpit or the specific migration tool you are using for best practices and troubleshooting tips.
  Community Forums: Engage with the SAP Community or other forums where users may have encountered similar issues and can share their solutions.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed logs and context about the error.