How To Fix M8842 - No layer exists for pool & in & &

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 842

• Message text: No layer exists for pool & in & &

What causes this issue?

No <GL:layer>layers</> exist for your combination of
<GL:valuation_area>valuation area</> and pool number.

How to fix this error?

Check and correct your input.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8842 - No layer exists for pool & in & & ?

  The SAP error message M8842 "No layer exists for pool & in & &" typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when the system is unable to find a specific data layer for a given pool. This can happen during various operations, such as when trying to access or process material master data, production orders, or inventory management.
  Causes:
  
  Missing Data Layer: The specified data layer for the material or pool does not exist in the system. This could be due to data not being maintained or incorrectly configured.
  Configuration Issues: There may be issues with the configuration of the material master or the relevant data pools.
  Transport Issues: If the system has recently undergone a transport of changes, the data layer may not have been included or properly transported.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain data layers.
  
  Solutions:
  
  Check Material Master Data: Verify that the material master data is correctly maintained. Ensure that all necessary views and data layers are populated.
  Configuration Review: Review the configuration settings for the relevant modules (MM/PP) to ensure that all necessary settings are in place.
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included and successfully transported.
  Authorization Check: Ensure that the user has the necessary authorizations to access the data in question. This can be done by checking the user roles and authorizations in the system.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve the issue.
  Debugging: If you have access to debugging tools, you can analyze the program or transaction that triggered the error to identify the root cause.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on material master data and configuration.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.