Message type: E = Error
Message class:  CNVMBTCHECK - Messages for PCL Checks 
Message number: 044
Message text: &1| Receiver field &2 and export parameter &3 have different types.
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The SAP error message CNVMBTCHECK044 indicates a type mismatch between a receiver field and an export parameter in a conversion or migration process. This error typically arises during data migration or transformation activities, particularly when using SAP's Migration Cockpit or other data transfer tools.
Cause: The error occurs when: The data type of the receiver field (the field in the target structure) does not match the data type of the export parameter (the field in the source structure). For example, if the receiver field is defined as a numeric type and the export parameter is defined as a character type, this mismatch will trigger the error.
Solution: To resolve this error, you can take the following steps: Check Data Types: Review the data types of both the receiver field and the export parameter. Ensure that they are compatible. You can do this by checking the data dictionary (SE11) for the relevant tables or structures. Adjust Data Mapping: If the
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