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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message NAA145 - Change to period calc. rule not permitted (condtype &1 indep.of bus.vol.) ?

  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 type in the SAP system. You can do this by navigating to the relevant configuration settings in the SAP IMG (Implementation Guide) under the pricing section. Ensure that you understand the implications of changing the period calculation rule.
  
  
  Use a Different Condition Type: If you need a different calculation behavior, consider using a different condition type that allows for the changes you want to make. 
  
  
  Consult Documentation: Review the SAP documentation or help files related to condition types and pricing procedures to understand the limitations and rules associated with the specific condition type you are working with.
  
  
  Contact SAP Support: If you believe that the change should be permitted based on your business requirements, consider reaching out to SAP support for further assistance. They may provide insights or solutions based on your specific configuration and business processes.
  
  
  Check User Authorizations: Ensure that you have the necessary authorizations to make changes to the condition types and their configurations.
  
  
  Related Information:
  
  Condition Types: In SAP, condition types are used in pricing procedures to determine how prices, discounts, and surcharges are calculated.
  Pricing Procedures: These are sequences of condition types that define how pricing is calculated in sales documents.
  Business Volume: This refers to the volume of business transactions, which can affect how certain condition types are calculated.
  
  By understanding the context of the error and following the suggested solutions, you should be able to address the issue effectively.