How To Fix NAA145 - Change to period calc. rule not permitted (condtype &1 indep.of bus.vol.)

NAA145 - Overview

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 145

• Message text: Change to period calc. rule not permitted (condtype &1 indep.of bus.vol.)

What causes this issue?

Condition type &V1& (application &V2&) is independent of business
volume. As a result, the calculation rule must be B (fixed amount).

System Response

A change to the period calculation rule is not permitted.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

NAA145 - Details

• The SAP error message NAA145, which states "Change to period calc. rule not permitted (condtype &1 indep.of bus.vol.)", typically occurs in the context of pricing and condition types in SAP. This error indicates that there is an attempt to change a period calculation rule for a condition type that is independent of business volume, which is not allowed.
  
  Cause:
  
  Condition Type Restrictions: The condition type you are trying to modify has been defined as independent of business volume. This means that its calculation rules are fixed and cannot be changed once they are set up.
  Configuration Settings: The configuration settings for the condition type may not allow changes to the period calculation rules due to the way it was designed in the system.
  Transaction Context: The error may arise in specific transactions where the system does not permit changes to certain attributes of condition types.
  
  
  Solution:
  
  
  Review Condition Type Configuration: Check the configuration of the condition