How To Fix MG156 - The purchasing group cannot be reset

MG156 - Overview

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 156

• Message text: The purchasing group cannot be reset

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 MG156 - The purchasing group cannot be reset ?

  The SAP error message MG156, which states "The purchasing group cannot be reset," typically occurs in the context of material management and purchasing processes. This error indicates that there is an issue with the purchasing group assignment for a material or vendor, and it cannot be reset due to certain constraints or conditions.
  Causes:
  
  Existing Purchase Orders: If there are existing purchase orders or contracts associated with the purchasing group, the system will not allow you to reset it.
  Material Master Data: The purchasing group may be linked to specific material master records that are currently in use.
  Vendor Master Data: Similar to material master data, if the purchasing group is linked to vendor records that are active, it cannot be reset.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to make changes to the purchasing group.
  System Configuration: There may be configuration settings in the system that prevent changes to the purchasing