How To Fix MM_PUR_SES150 - Updating the NetAmount field is not supported!

MM_PUR_SES150 - Overview

• Message type: E = Error

• Message class: MM_PUR_SES -

• Message number: 150

• Message text: Updating the NetAmount field is not supported!

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM_PUR_SES150 - Updating the NetAmount field is not supported! ?

  The SAP error message MM_PUR_SES150, which states "Updating the NetAmount field is not supported," typically occurs in the context of purchasing documents, such as purchase orders or invoices, when there is an attempt to modify the Net Amount field in a way that is not allowed by the system.
  
  Cause:
  
  Field Restrictions: The Net Amount field is usually calculated based on other fields (like quantity, price, discounts, taxes, etc.) and is not meant to be updated directly. This is a common restriction in SAP to maintain data integrity.
  Document Status: The document may be in a status that does not allow changes to certain fields, including the Net Amount.
  Custom Logic: There may be custom enhancements or user exits that restrict changes to the Net Amount field.
  Incorrect Data Entry: Sometimes, the error can arise from incorrect data entry or an attempt to save a document with inconsistent data.
  
  
  Solution:
  
  Review Document Changes: Instead of trying to