How To Fix CRM_MKTLIST_MAP018 - Target field &1 data type does not match the source field data type

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_MKTLIST_MAP - CRM Marketing:External List management mapping Messages

• Message number: 018

• Message text: Target field &1 data type does not match the source field data type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_MKTLIST_MAP018 - Target field &1 data type does not match the source field data type ?

  The SAP error message CRM_MKTLIST_MAP018 indicates that there is a mismatch between the data types of the target field and the source field during a mapping process in the SAP Customer Relationship Management (CRM) system. This typically occurs when you are trying to transfer or map data from one field to another, and the data types of these fields are incompatible.
  Cause:
  
  Data Type Mismatch: The most common cause is that the source field and the target field have different data types. For example, if the source field is defined as a character type (CHAR) and the target field is defined as a numeric type (NUMC), this will lead to the error.
  Field Length Issues: Sometimes, even if the data types are the same, the length of the data being transferred may exceed the length defined for the target field.
  Configuration Errors: Incorrect configuration in the mapping settings or data transfer settings can also lead to this error.
  
  Solution:
  
  Check Data Types: Verify the data types of both the source and target fields. Ensure that they are compatible. You can do this by checking the data dictionary (SE11) for the relevant tables or structures.
  Adjust Field Lengths: If the data types are the same but the lengths differ, consider adjusting the target field's length to accommodate the data being transferred.
  Modify Mapping Configuration: If you are using a mapping configuration (e.g., in a data transfer process), review the mapping rules to ensure that they correctly align the source and target fields.
  Data Transformation: If necessary, implement data transformation logic to convert the data from the source field's type to the target field's type before the mapping occurs.
  Testing: After making the necessary adjustments, test the data transfer process again to ensure that the error is resolved.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or CRMD_ORDER (CRM Order Management) to investigate the data structures involved.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error.
  Documentation: Review SAP documentation related to data mapping and transfer processes in CRM for best practices and guidelines.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.