How To Fix BUCC108 - Library &1/Rule &2: The key figure of the left operand is initial

SAP Error Message - Details

• Message type: E = Error

• Message class: BUCC - Message class for Consistency checks

• Message number: 108

• Message text: Library &1/Rule &2: The key figure of the left operand is initial

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message BUCC108 - Library &1/Rule &2: The key figure of the left operand is initial ?

  The SAP error message BUCC108 typically occurs in the context of SAP Business Planning and Consolidation (BPC) or SAP BW (Business Warehouse) when working with planning functions, queries, or calculations. The error indicates that the key figure of the left operand in a calculation or rule is initial (i.e., it has no value or is set to zero), which prevents the calculation from being executed properly.
  Cause:
  
  
  Initial Value: The left operand in the calculation or rule does not have a value assigned to it. This could be due to:
  
  Missing data in the underlying data source.
  Incorrect data loading or extraction processes.
  Filters applied that exclude relevant data.
  
  
  
  Incorrect Logic: The logic defined in the planning function or calculation might not account for scenarios where the left operand could be initial.
  
  
  Data Model Issues: There may be issues with the data model or the way key figures are defined, leading to situations where expected values are not populated.
  
  
  Solution:
  
  
  Check Data: Verify that the data for the left operand is correctly loaded and populated. You can do this by:
  
  Running a data query to see if the expected values are present.
  Checking the data source for any missing records.
  
  
  
  Adjust Logic: Modify the planning function or calculation logic to handle cases where the left operand might be initial. This could involve:
  
  Adding conditions to check if the left operand is initial before performing calculations.
  Using default values or alternative calculations when the left operand is not available.
  
  
  
  Review Filters: Ensure that any filters applied in the planning function or query do not inadvertently exclude necessary data.
  
  
  Debugging: If the issue persists, consider debugging the planning function or calculation to trace where the initial value is being set or why it is not being populated.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific version of BPC or BW you are using, as there may be known issues or patches available.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the BUCC108 error message. SAP frequently updates its knowledge base with solutions to common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  Training and Documentation: Ensure that users working with BPC or BW are adequately trained on data loading, planning functions, and calculations to minimize the occurrence of such errors.
  
  By following these steps, you should be able to identify the root cause of the BUCC108 error and implement a solution to resolve it.