How To Fix KE791 - Entry required

SAP Error Message - Details

• Message type: E = Error

• Message class: KE -

• Message number: 791

• Message text: Entry required

What causes this issue?

You have not entered a key.

System Response

The entry was not accepted.

How to fix this error?

Enter a key.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KE791 - Entry required ?

  The SAP error message KE791 ("Entry required") typically occurs in the context of controlling (CO) when you are trying to post a transaction that requires certain mandatory fields to be filled in, but they are missing or incomplete. This error is often encountered in various CO-related transactions, such as when dealing with internal orders, cost centers, or profit centers.
  Cause:
  The error is usually caused by one or more of the following reasons:
  
  Missing Required Fields: Certain fields that are mandatory for the transaction are not filled in. This could include fields like cost element, order type, or other relevant data.
  Incorrect Configuration: The configuration settings in the controlling area or related master data may not be set up correctly, leading to missing entries.
  Data Inconsistencies: There may be inconsistencies in the master data that prevent the transaction from being processed correctly.
  
  Solution:
  To resolve the KE791 error, you can take the following steps:
  
  
  Check Required Fields: Review the transaction you are trying to post and ensure that all mandatory fields are filled in. Look for any fields marked with an asterisk (*) or that are highlighted in red.
  
  
  Review Configuration: Check the configuration settings in the controlling area. Ensure that all necessary settings for cost elements, internal orders, and other related components are correctly configured.
  
  
  Validate Master Data: Ensure that the master data (cost centers, profit centers, internal orders, etc.) is complete and correctly set up. You can use transaction codes like KS03 (Display Cost Center) or KO03 (Display Internal Order) to check the details.
  
  
  Consult Documentation: Refer to SAP documentation or help files for specific details about the transaction you are working with. This can provide insights into what fields are required.
  
  
  Use Debugging Tools: If you have access to debugging tools, you can analyze the program flow to identify where the error is being triggered.
  
  
  Contact Support: 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: Familiarize yourself with relevant transaction codes in the CO module, such as:
  
  KSB1: Display Actual Line Items for Cost Centers
  KOB1: Display Actual Line Items for Orders
  KOT2: Display Order Status
  
  
  SAP Notes: Check for any SAP Notes related to the KE791 error for specific patches or updates that may address the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the KE791 error in SAP.