How To Fix CNV_LTHCM_G_30019 - Caller of &1 not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_LTHCM_G_30 -

• Message number: 019

• Message text: Caller of &1 not valid

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 CNV_LTHCM_G_30019 - Caller of &1 not valid ?

  The SAP error message CNV_LTHCM_G_30019 with the description "Caller of &1 not valid" typically occurs in the context of data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. This error indicates that the system has encountered an invalid caller or reference during the execution of a program or function module.
  Causes:
  
  Invalid Caller Reference: The error suggests that the program or function module is being called by an invalid or non-existent reference. This could be due to incorrect configuration or setup in the migration process.
  Authorization Issues: The user or process attempting to execute the function may not have the necessary authorizations or roles assigned.
  Data Consistency Issues: There may be inconsistencies in the data being processed, leading to the system not recognizing the caller.
  Configuration Errors: Incorrect settings in the migration or transformation configuration can lead to this error.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the data migration process. Ensure that all necessary parameters and references are correctly set up.
  Validate Caller: Ensure that the caller (the program or function module) is valid and exists in the system. You may need to check the transaction or program that is invoking the function.
  Authorization Check: Verify that the user or process has the appropriate authorizations to execute the function. You may need to consult with your SAP security team to ensure that the necessary roles are assigned.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages or warnings that could provide additional context about the issue.
  Consult Documentation: Refer to the SAP documentation related to the specific migration or transformation process you are using. There may be specific notes or guidelines that address this error.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide patches or updates that resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLT, LTMOM (Landscape Transformation Modeler), and others that are used in data migration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.