How To Fix KO179 - Enter costing sheet first or choose ENTER

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 179

• Message text: Enter costing sheet first or choose ENTER

What causes this issue?

The system must know the costing sheet to be able to find the valid
overhead keys. If you just enter the costing sheet and then press F4
on the overhead-key field (without having pressed Enter first), it
cannot determine the valid overhead keys.

How to fix this error?

The correct sequence is as follows:
RESET N1
Enter the costing sheet
Choose Enter
Place the cursor on the overhead key field
Choose F4

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO179 - Enter costing sheet first or choose ENTER ?

  The SAP error message KO179, which states "Enter costing sheet first or choose ENTER," typically occurs in the context of cost planning or cost object controlling in SAP. This error indicates that the system requires a costing sheet to be specified before proceeding with the transaction or operation you are attempting to perform.
  
  Cause:
  
  Missing Costing Sheet: The most common cause of this error is that the costing sheet has not been entered in the relevant field. The costing sheet is essential for determining how costs are calculated and allocated in the system.
  Incorrect Configuration: There may be an issue with the configuration of the costing sheet in the system, or the costing sheet may not be assigned to the relevant cost object or controlling area.
  Transaction Context: The error may also arise if the transaction context does not support the operation you are trying to perform without a costing sheet.
  
  
  Solution:
  
  
  Enter Costing Sheet: 
  
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