How To Fix WV771 - Overflow during calculation of key figures

SAP Error Message - Details

• Message type: E = Error

• Message class: WV - Messages about Sales Price Calculation

• Message number: 771

• Message text: Overflow during calculation of key figures

What causes this issue?

The results of the calculations for the columns "Pct. change sls"
and/or "PercChngRevenue" in market-basket price calculation are greater
than the output length of the corresponding field values in the basic
list or in the detail list on the organizational levels.

System Response

The field values "Pct. change sls" and/or "PercChngRevenue" are set to
a maximum value.

How to fix this error?

Check the values of the individual items for the columns "Final Price"
and/or "Net SP" and correct the individual values which are too high.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WV771 - Overflow during calculation of key figures ?

  The SAP error message WV771, which states "Overflow during calculation of key figures," typically occurs in the context of SAP BW (Business Warehouse) or SAP ERP systems when there is an issue with the calculation of key figures in a query or report. This error indicates that the result of a calculation exceeds the maximum limit that can be handled by the system, leading to an overflow.
  Causes:
  
  
  Data Type Limitations: The data type used for the key figures may not be able to accommodate the size of the calculated value. For example, if a key figure is defined as an integer and the calculation results in a value larger than the maximum integer limit, an overflow will occur.
  
  
  Large Data Volumes: When processing large datasets, especially in aggregations or calculations, the resulting values can exceed the limits of the defined data types.
  
  
  Incorrect Calculation Logic: If the logic used in the calculation of key figures is flawed or leads to unintended results, it can cause an overflow.
  
  
  Configuration Issues: Incorrect settings in the InfoObjects or InfoProviders can lead to improper handling of key figures.
  
  
  Solutions:
  
  
  Check Data Types: Review the data types of the key figures involved in the calculation. If necessary, change the data type to a larger one (e.g., from integer to decimal) to accommodate larger values.
  
  
  Adjust Calculation Logic: Review the calculation logic for any potential errors or inefficiencies. Simplifying the logic or breaking it down into smaller steps may help prevent overflow.
  
  
  Aggregate Data: If the issue arises from large data volumes, consider aggregating the data before performing calculations to reduce the size of the values being processed.
  
  
  Use Exception Aggregation: In some cases, using exception aggregation can help manage large values by applying specific rules to handle outliers or extreme values.
  
  
  Monitor Data Loads: Ensure that data loads are monitored and controlled to prevent unexpected spikes in data volume that could lead to overflow.
  
  
  Test with Sample Data: Run tests with smaller datasets to identify the point at which the overflow occurs, which can help in diagnosing the issue.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  
  
  Documentation: Review the SAP BW or ERP documentation for guidelines on key figure definitions and calculations.
  
  
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  
  Performance Tuning: Consider performance tuning of queries and reports to optimize calculations and reduce the likelihood of overflow.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you can resolve the WV771 error and ensure that key figure calculations are performed correctly without overflow issues.