How To Fix DMCLG386 - Assignment of rules in source and target area is missing or incorrect

DMCLG386 - Overview

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 386

• Message text: Assignment of rules in source and target area is missing or incorrect

Self-Explanatory Message

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DMCLG386 - Details

• The SAP error message DMCLG386, which states "Assignment of rules in source and target area is missing or incorrect," typically occurs in the context of data migration or data transfer processes, particularly when using tools like SAP Data Services or SAP Information Steward. This error indicates that there is a mismatch or a missing assignment of transformation rules between the source and target data areas.
  Causes:
  
  Missing Mapping: The transformation rules that define how data should be transferred from the source to the target are not defined or are incomplete.
  Incorrect Configuration: The configuration settings for the data flow may not be set up correctly, leading to an inability to map the source fields to the target fields.
  Data Type Mismatch: There may be a mismatch in data types between the source and target fields, which can prevent proper mapping.
  Rule Assignment Issues: The rules that are supposed to govern the data transformation may not