How To Fix CRM_MKTRTOM_CGPL001 - Expression of data type &1 cannot be changed to one of type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_MKTRTOM_CGPL -

• Message number: 001

• Message text: Expression of data type &1 cannot be changed to one of type &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_MKTRTOM_CGPL001 - Expression of data type &1 cannot be changed to one of type &2 ?

  The SAP error message CRM_MKTRTOM_CGPL001 indicates that there is an issue with data type conversion in the context of a CRM (Customer Relationship Management) application. Specifically, the error message states that an expression of one data type cannot be changed to another incompatible data type. 
  Cause:
  This error typically arises in the following scenarios:
  
  Data Type Mismatch: The system is trying to convert a variable or field from one data type to another, but the conversion is not valid. For example, trying to convert a string to a numeric type without proper formatting.
  Incorrect Field Mapping: In scenarios where data is being transferred or mapped between different structures, if the source and target fields have incompatible data types, this error can occur.
  Custom Code Issues: If there are custom ABAP programs or enhancements that manipulate data types incorrectly, this can lead to this error.
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Check Data Types: Review the data types of the variables or fields involved in the operation. Ensure that they are compatible for the intended operation. You can do this by checking the data dictionary (SE11) or the relevant ABAP code.
  
  
  Modify Code: If the error is occurring in custom ABAP code, modify the code to ensure that the data types are compatible. Use appropriate conversion functions (like CONVERT, CAST, etc.) to handle data type changes safely.
  
  
  Field Mapping: If the error occurs during data transfer or mapping, ensure that the source and target fields are correctly defined and compatible. Adjust the mapping logic if necessary.
  
  
  Debugging: Use the ABAP debugger to trace the execution of the program and identify where the data type conversion is failing. This can provide insights into the specific variables involved.
  
  
  Consult Documentation: Check SAP notes or documentation related to the specific transaction or function module you are using. There may be known issues or patches available.
  
  
  Testing: After making changes, thoroughly test the application to ensure that the error is resolved and that no new issues have been introduced.
  
  
  Related Information:
  
  Transaction Codes: You may want to look into transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to analyze the relevant code or function modules.
  SAP Notes: Search for SAP Notes related to CRM_MKTRTOM_CGPL001 in the SAP Support Portal for any specific fixes or recommendations.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.