How To Fix 6A521 - Actual data of "&" incomplete; New calculation not possible

6A521 - Overview

• Message type: E = Error

• Message class: 6A - Real estate messages rent adjustment

• Message number: 521

• Message text: Actual data of "&" incomplete; New calculation not possible

What causes this issue?

You want to carry out a rent adjustment due to a modernization measure
for which there is already a settlement run. This only makes sense if
the actual data (start, end and costs) of the measure is complete.

System Response

In this case, the actual data of modernization measure "&1" is not
complete; it is not possible to carry out a new calculation.

How to fix this error?

Maintain the actual data of the modernization measure.

Error message extract from SAP system. Copyright SAP SE.

6A521 - Details

• The SAP error message 6A521 indicates that the actual data for a specific object (represented by "&") is incomplete, which prevents a new calculation from being performed. This error typically arises in the context of financial or controlling modules, where actual data is required for various calculations, such as cost allocations, profitability analysis, or financial reporting.
  Causes:
  
  Missing Data: The actual data for the specified object (e.g., cost center, internal order, project) may not have been fully entered or updated in the system.
  Data Inconsistency: There may be inconsistencies in the data, such as missing postings or incorrect entries that lead to incomplete actual data.
  Period Closure: The period for which the calculation is being attempted may be closed, preventing any new postings or calculations.
  
  Configuration Issues: There may be configuration settings in the controlling or financial modules that are not set up correctly, leading to incomplete data.
  
  Solutions:
  
  Check Data Completeness: Verify that all necessary actual