How To Fix MN439 - Subtotal & in calculation schema & for condition type & not allowed

MN439 - Overview

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 439

• Message text: Subtotal & in calculation schema & for condition type & not allowed

What causes this issue?

The subtotal &V1& in calculation schema &V2&, application &V4& for
condition type &V3& is not permitted.
To update the supplier business volume value for a condition record, you
must enter a subtotal during maintenance of the calculation schema. This
entry must be made in the "From" reference step to which the entry for
the condition type of the subsequent settlement relates.

How can this happen?

Step Ctr. CTy. Description From ... Subtotal
20 0 Net val. incl. disc. 7
37 1 A001 Rebate 20 ...
Line 37 refers to line 20 of the schema. A valid subtotal (e.g. 7 =
transfer of value to KONP_BONBA) must be entered in line 20. Further
permissible subtotals are the values 1 - 6, provided they are not
already being used elsewhere.

System Response

Without the entry of a suitable subtotal, updating of the supplier
business volume value cannot be assured.
Business volume data cannot be determined.

How to fix this error?

Correct calculation schema &V1&. If necessary, contact your system
administrator.
The subsequent settlement suppors the subtotals 1-9, A-C and S, in other
words, all subtotals. The subtotals XWORKD etc are not permitted.

<DS:SIMG.SIMGCFMENUOLMEOMER5>Define calculation schema</>
ENDIF
Note that if a subtotal used for subsequent settlement occurs several
times, the value of the business volume may also be updated several
times. Each time the subtotal occurs in a line of the document
conditions, the condition values are cumulated.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN439 - Subtotal & in calculation schema & for condition type & not allowed ?

  The SAP error message MN439 indicates that there is an issue with the calculation schema in relation to a specific condition type. This error typically arises during the pricing procedure in sales and distribution (SD) or materials management (MM) when the system encounters a subtotal that is not allowed for the specified condition type.
  
  Cause:
  
  Incorrect Configuration: The condition type may not be configured correctly in the pricing procedure. This can happen if the condition type is set to be a subtotal but is not allowed to be used in that context.
  Pricing Procedure: The pricing procedure may not be set up to handle the subtotal for the specific condition type. Each condition type has specific settings that determine how it interacts with other conditions.
  Condition Records: There may be missing or incorrect condition records for the condition type in question, leading to the error when the system tries to calculate the pricing.
  Sequence of