How To Fix 1G091 - No transaction type and medium filed for posting category &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 1G - BKK: Konditionen

• Message number: 091

• Message text: No transaction type and medium filed for posting category &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1G091 - No transaction type and medium filed for posting category &1 ?

  The SAP error message 1G091 ("No transaction type and medium field for posting category &1") typically occurs when there is a configuration issue related to the posting categories in the SAP system. This error indicates that the system cannot find a valid transaction type and medium field for the specified posting category, which is necessary for processing certain financial transactions.
  Cause:
  
  Missing Configuration: The most common cause of this error is that the transaction type and medium field for the specified posting category have not been defined in the system.
  Incorrect Posting Category: The posting category being referenced may not be set up correctly or may not exist in the configuration.
  Custom Development: If there are custom developments or modifications in the system, they may not be aligned with the standard configuration, leading to this error.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the relevant module (e.g., Financial Accounting, Controlling).
  Navigate to the area where posting categories are defined (e.g., in the IMG under Financial Accounting > General Ledger > Master Data > G/L Account > Define Account Groups).
  Ensure that the transaction type and medium field are correctly defined for the posting category in question.
  
  
  
  Define Transaction Types:
  
  If the transaction type is missing, you may need to define it. This can usually be done in the configuration settings under the relevant financial module.
  Ensure that the transaction type is linked to the correct posting category.
  
  
  
  Review Posting Category:
  
  Verify that the posting category you are trying to use is valid and correctly configured.
  Check if there are any restrictions or specific settings that need to be applied to the posting category.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help notes related to the specific module you are working with to ensure that all necessary configurations are in place.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Seek Help:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBYC (for automatic postings) or SPRO (to access the configuration menu) to navigate to the relevant settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration.
  Documentation: Refer to the SAP Help Portal for detailed documentation on financial posting categories and transaction types.
  
  By following these steps, you should be able to identify and resolve the cause of the error message 1G091 in your SAP system.