How To Fix KN198 - Decimal overflow while calculating key figures

KN198 - Overview

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 198

• Message text: Decimal overflow while calculating key figures

What causes this issue?

While calculating key figures, one or more field overflows occurred.
The table fields affected are indicated by "99999.99".

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

When analyzing the results, watch out for the overflows.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KN198 - Decimal overflow while calculating key figures ?

  The SAP error message KN198, which indicates a "Decimal overflow while calculating key figures," typically occurs in the context of SAP's reporting and analytics modules, particularly when dealing with large datasets or calculations that exceed the defined limits for numeric values.
  
  Cause:
  
  Large Values: The error often arises when the calculations involve very large numbers that exceed the maximum limit for the data type being used (e.g., a decimal or integer).
  Data Type Limitations: Different data types in SAP have specific limits. For example, a decimal field may have a maximum number of digits that can be stored, and if the result of a calculation exceeds this limit, a decimal overflow occurs.
  Aggregation Issues: When aggregating data (e.g., summing up values), if the intermediate results exceed the allowed range, it can trigger this error.
  Incorrect Configuration: Sometimes, the configuration of key figures or the underlying data model may not be set up to handle the