How To Fix GA791 - Reference data read from summarization level &1

GA791 - Overview

• Message type: E = Error

• Message class: GA - Allocations

• Message number: 791

• Message text: Reference data read from summarization level &1

What causes this issue?

Tracing factors for cycle &V2& were read from summarization level &V1&.
This message is displayed when carrying out a periodic allocation of
overhead costs (assessment, indirect activity allocation) if you use
variable portions as tracing factors in at least one segment. This
message tells you which summarization level is being used.
For more information on summarization levels, see the program
documentation and Customizing.

Error message extract from SAP system. Copyright SAP SE.

GA791 - Details

• The SAP error message GA791, which states "Reference data read from summarization level &1," typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with Profitability Analysis (CO-PA) or other areas where data summarization is involved. This message indicates that the system is trying to read reference data from a specific summarization level, but it encounters an issue.
  
  Cause:
  
  Missing Data: The summarization level specified may not have any data available. This can happen if the data has not been summarized correctly or if the summarization process has not been executed.
  
  Configuration Issues: There may be configuration issues related to the summarization levels in the system. This could include incorrect settings in the CO-PA configuration or issues with the data model.
  Data Consistency: There might be inconsistencies in the data that prevent the system from reading the reference data correctly.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations