How To Fix CY177 - Please select one combination

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 177

• Message text: Please select one combination

What causes this issue?

When you select a combination, you either have to enter the name or
else mark one of the combinations offered via checkbox. If you have
marked several, or entered one and marked another, the selection will
no longer be unique.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY177 - Please select one combination ?

  The SAP error message CY177, which states "Please select one combination," typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with cost center accounting or internal orders. This error usually arises when the system expects a single combination of parameters (like cost center, order, or activity type) to be selected, but multiple or no combinations are provided.
  Cause:
  
  Multiple Selections: The user may have selected multiple cost centers, orders, or other parameters when the system requires only one.
  No Selection: The user may not have selected any combination at all, leading to the error.
  Incorrect Configuration: There may be issues with the configuration of the controlling area or the settings related to the specific transaction being executed.
  
  Solution:
  
  Single Selection: Ensure that you are selecting only one combination of the required parameters. For example, if you are working with cost centers, select only one cost center at a time.
  Check Input Fields: Review the input fields to ensure that all required fields are filled out correctly and that only one option is selected where necessary.
  Review Configuration: If the issue persists, check the configuration settings in the controlling area or the specific transaction to ensure that they are set up correctly.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction you are working with to understand the expected input.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to cost accounting, such as KSB1 (Cost Centers: Actual Line Items) or KOB1 (Orders: Actual Line Items).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Permissions: Ensure that the user has the necessary permissions to access the required data and perform the transaction.
  
  If the problem continues after trying these solutions, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the Controlling module.