How To Fix BC_DATAMODEL_SERVICE345 - Data not changed, no update

SAP Error Message - Details

• Message type: E = Error

• Message class: BC_DATAMODEL_SERVICE - BC Training (All Courses)

• Message number: 345

• Message text: Data not changed, no update

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BC_DATAMODEL_SERVICE345 - Data not changed, no update ?

  The SAP error message BC_DATAMODEL_SERVICE345 ("Data not changed, no update") typically occurs when an attempt is made to update a record in the database, but the system detects that the data being submitted is identical to the existing data. This means that there are no changes to the data that would necessitate an update.
  Causes:
  
  No Changes Made: The most common cause is that the data being submitted for update is the same as what is already stored in the database.
  Incorrect Logic in Code: If you are using custom code (e.g., ABAP programs, BAPIs, or function modules), there may be logic that inadvertently submits unchanged data.
  User Interface Issues: If the user interface (UI) does not properly reflect the current state of the data, users might think they are making changes when they are not.
  Data Synchronization Issues: In scenarios involving multiple systems or asynchronous processing, data might not be synchronized, leading to attempts to update with unchanged data.
  
  Solutions:
  
  Check Data Before Update: Implement logic to check if the data has actually changed before attempting to perform an update. This can be done by comparing the new data with the existing data in the database.
  User Interface Validation: Ensure that the UI reflects the current state of the data accurately. This can help prevent users from submitting unchanged data.
  Debugging Custom Code: If you are using custom code, debug it to ensure that it is correctly identifying changes to the data before attempting to update.
  Review Data Flow: In cases of data synchronization, review the data flow between systems to ensure that updates are being processed correctly and that the latest data is being used.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to analyze the code that is causing the error.
  Logs and Traces: Review application logs (SLG1) or system logs (SM21) for additional context around the error occurrence.
  Testing: Conduct thorough testing in a development or quality assurance environment to replicate the issue and validate the solution before deploying changes to production.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.