How To Fix SDDL_PARSER_MSG394 - Column &2 in target entity &1 must be a key field

SDDL_PARSER_MSG394 - Overview

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 394

• Message text: Column &2 in target entity &1 must be a key field

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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SDDL_PARSER_MSG394 - Details

• The SAP error message SDDL_PARSER_MSG394 indicates that there is an issue with the configuration of a target entity in the context of SAP's data modeling or data provisioning. Specifically, the error states that a certain column (denoted as &2) in the target entity (denoted as &1) must be defined as a key field, but it is not.
  
  Cause:
  This error typically arises in scenarios where:
  
  You are trying to map or transform data into a target entity that requires certain fields to be designated as key fields.
  The specified column (&2) is not marked as a key field in the target entity's definition, which violates the constraints of the data model.
  There may be a mismatch between the source and target data structures, where the target expects a key field that is not provided.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Target Entity Definition:
  
  Go to the target entity definition in your SAP system