How To Fix K9055 - Select exactly one data cell for this function

SAP Error Message - Details

• Message type: E = Error

• Message class: K9 - CO Planning Processor

• Message number: 055

• Message text: Select exactly one data cell for this function

What causes this issue?

You want to execute a function requiring the marking of exactly one
data cell (the crossing of a row and column in an entry screen table).
However, you marked more than one, making it unclear which of the
marked data cells are to be used when the function is executed.

How to fix this error?

Deselect all rows and columns, and place the cursor on the desired
cell. Repeat the function.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K9055 - Select exactly one data cell for this function ?

  The SAP error message K9055, "Select exactly one data cell for this function," typically occurs in the context of SAP's reporting or analysis tools, such as SAP BW (Business Warehouse) or SAP BPC (Business Planning and Consolidation). This error indicates that the system expects the user to select a single data cell (or data point) for a specific operation, but either no cell or multiple cells have been selected.
  Cause:
  
  Multiple Selections: The user has selected more than one data cell when the function requires a single selection.
  No Selection: The user has not selected any data cell at all.
  Incorrect Context: The function being executed may not be applicable to the current selection context, leading to confusion about what should be selected.
  
  Solution:
  
  Select a Single Cell: Ensure that you select exactly one data cell before executing the function. This can usually be done by clicking on the specific cell in the report or analysis view.
  Check for Filters: If you are using filters or other selection criteria, make sure they are set correctly to allow for a single data cell to be selected.
  Review Function Requirements: Consult the documentation or help resources for the specific function you are trying to use to ensure that you understand its requirements regarding data selection.
  Refresh the Report: Sometimes, refreshing the report or analysis view can help reset any selection issues.
  User Permissions: Ensure that you have the necessary permissions to perform the action you are attempting, as restrictions can sometimes lead to unexpected behavior.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module you are using (e.g., SAP BW, SAP BPC) for detailed information on data selection and error messages.
  SAP Community: The SAP Community forums can be a valuable resource for troubleshooting specific issues, as other users may have encountered and resolved similar problems.
  Training and Tutorials: If you are new to SAP reporting tools, consider taking training courses or tutorials that cover data selection and analysis functions to better understand how to navigate and use these tools effectively.
  
  If the issue persists after trying the above solutions, it may be helpful to contact your SAP support team for further assistance.