How To Fix SCDT_MPNG1019 - Source table &1, field &2: Assignment not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: SCDT_MPNG1 - Message Class for the Function Module scdt_mapping_check

• Message number: 019

• Message text: Source table &1, field &2: Assignment not possible

What causes this issue?

The specified assignment of source table &V1& field &V2& to target field
&V3& is not possible, because the source format cannot be converted into
the target format.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Specify another source field or assign the source field to another
target field.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SCDT_MPNG1019 - Source table &1, field &2: Assignment not possible ?

  The SAP error message SCDT_MPNG1019 typically indicates that there is an issue with the assignment of a value in a source table for a specific field. This error often arises in the context of data transfer or data mapping processes, particularly when working with SAP's Data Transfer Workbench or similar tools.
  Cause:
  
  Data Type Mismatch: The value being assigned to the field does not match the expected data type (e.g., trying to assign a string to a numeric field).
  Field Length Exceeded: The value being assigned exceeds the maximum length defined for the field in the source table.
  Invalid Value: The value being assigned may not be valid according to the domain or value range defined for that field.
  Missing Required Fields: If the field is mandatory and no value is provided, this error can occur.
  Configuration Issues: There may be issues with the configuration of the data model or mapping rules that lead to this error.
  
  Solution:
  
  Check Data Types: Ensure that the data types of the source values match the expected data types of the target fields.
  Validate Field Lengths: Verify that the values being assigned do not exceed the defined lengths for the fields in the source table.
  Review Valid Values: Check the allowed values for the field and ensure that the value being assigned is valid.
  Ensure Required Fields are Populated: Make sure that all mandatory fields are filled with appropriate values.
  Review Mapping Configuration: If you are using a mapping tool, review the mapping configuration to ensure that it is set up correctly.
  Debugging: If the issue persists, consider using debugging tools or logs to trace the data flow and identify where the assignment is failing.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review the documentation for the specific module or tool you are using to understand the expected data formats and requirements.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth analysis and assistance.