How To Fix /STMC/CR_DIAG040 - Key data field &1 in screen '&2' does not exist in provider &3.&4

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_DIAG -

• Message number: 040

• Message text: Key data field &1 in screen '&2' does not exist in provider &3.&4

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /STMC/CR_DIAG040 - Key data field &1 in screen '&2' does not exist in provider &3.&4 ?

  The SAP error message /STMC/CR_DIAG040 indicates that there is an issue with a key data field in a specific screen that does not exist in the specified provider. This error typically arises in the context of SAP's data modeling or reporting tools, such as SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  
  
  Field Mismatch: The key data field specified in the error message does not exist in the data provider (e.g., InfoProvider, DataSource, etc.) that is being referenced. This could be due to:
  
  The field being removed or renamed in the underlying data model.
  The field not being included in the data provider definition.
  A typo in the field name or screen reference.
  
  
  
  Data Model Changes: Changes made to the data model (like adding or removing fields) without updating the associated reports or queries can lead to this error.
  
  
  Transport Issues: If the data model was transported from one system to another (e.g., from development to production), there might be inconsistencies in the field definitions.
  
  
  Solution:
  
  
  Verify Field Existence: Check the data provider (e.g., InfoProvider, DataSource) to ensure that the key data field mentioned in the error message actually exists. You can do this by:
  
  Navigating to the data provider in the SAP GUI or BW modeling tools.
  Checking the field list to confirm the presence of the field.
  
  
  
  Update Queries/Reports: If the field has been renamed or removed, update any queries, reports, or screens that reference this field to reflect the current data model.
  
  
  Check Transport Logs: If the issue arose after a transport, review the transport logs to ensure that all necessary objects were transported correctly and that there are no inconsistencies.
  
  
  Rebuild or Refresh: In some cases, rebuilding or refreshing the data model or the affected queries may resolve the issue.
  
  
  Consult Documentation: Review any relevant documentation or change logs to understand recent changes to the data model that may have affected the field in question.
  
  
  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 for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  RSA1 for Data Warehousing Workbench.
  SE11 for Data Dictionary to check field definitions.
  RSRT for executing queries and checking their definitions.
  
  
  Debugging: If necessary, you can use debugging tools to trace the execution of the report or query to identify where the error is occurring.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.