How To Fix FML_MATVAL_API001 - Multiple operations in one changeset are not supported.

FML_MATVAL_API001 - Overview

• Message type: E = Error

• Message class: FML_MATVAL_API - API for Material Valuation

• Message number: 001

• Message text: Multiple operations in one changeset are not supported.

Self-Explanatory Message

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FML_MATVAL_API001 - Details

• The SAP error message FML_MATVAL_API001 indicates that there are multiple operations being attempted in a single changeset, which is not supported by the system. This typically occurs when you are trying to perform multiple actions (like create, update, or delete) on different entities or records in one API call or transaction.
  
  Cause:
  
  Multiple Operations: The primary cause of this error is that the API call is trying to perform more than one type of operation (e.g., creating a new record and updating an existing one) in a single changeset.
  Incorrect API Usage: The API being used may not support batch processing or multiple operations in one call.
  Data Structure Issues: The data being sent in the request may not be structured correctly to comply with the API's requirements.
  
  
  Solution:
  
  Separate Operations: Break down the operations into separate API calls. Instead of trying to create and update records in one call, make individual calls for each operation.
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