How To Fix BK603 - Online parameters can only have the values Space, A, E, or N

SAP Error Message - Details

• Message type: E = Error

• Message class: BK - Create, Display, Reverse Controlling Document

• Message number: 603

• Message text: Online parameters can only have the values Space, A, E, or N

What causes this issue?

The parameters have the following meanings:
"A" Display the screen
"E" Display only if an error occurs
"N" No display

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BK603 - Online parameters can only have the values Space, A, E, or N ?

  The SAP error message BK603 indicates that there is an issue with the online parameters being used in a transaction or program. Specifically, it states that the online parameters can only have the values Space, A, E, or N. This error typically arises in the context of financial transactions or postings in SAP, particularly in the area of controlling (CO) or financial accounting (FI).
  Cause:
  The error is caused by the input of an invalid value for an online parameter in a transaction. The valid values for this parameter are:
  
  Space: No specific value is set.
  A: All items.
  E: Only items with errors.
  N: Only items without errors.
  
  If a user inputs a value other than these (for example, a letter or number that is not one of the specified options), the system will trigger this error message.
  Solution:
  To resolve the BK603 error, follow these steps:
  
  
  Check Input Values: Review the input values for the online parameters in the transaction or program where the error occurred. Ensure that only the valid values (Space, A, E, or N) are being used.
  
  
  Correct Invalid Entries: If you find any invalid entries, correct them to one of the acceptable values.
  
  
  Review Documentation: If you are unsure about the parameters, refer to the SAP documentation or help files related to the specific transaction or program you are using. This can provide guidance on the expected input values.
  
  
  Test the Transaction: After making the necessary corrections, re-run the transaction to see if the error persists.
  
  
  Consult with Colleagues or SAP Support: If you continue to experience issues, consider consulting with colleagues who have experience with the specific transaction or reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to financial postings, such as FB50 (G/L Account Document Entry), F-02 (General Posting), or others.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or module you are working with.
  User Authorization: Ensure that you have the necessary authorizations to perform the transaction, as sometimes authorization issues can lead to unexpected errors.
  
  By following these steps, you should be able to identify and correct the cause of the BK603 error in SAP.