How To Fix MPE_OAN262 - Simultaneous group &1 is not allowed in non-serialized business process

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 262

• Message text: Simultaneous group &1 is not allowed in non-serialized business process

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 MPE_OAN262 - Simultaneous group &1 is not allowed in non-serialized business process ?

  The SAP error message MPE_OAN262 indicates that there is an issue with the configuration of a business process that involves simultaneous groups in a non-serialized context. This error typically arises in scenarios where the system is trying to process multiple items or groups simultaneously, but the configuration does not allow for this due to the nature of the business process being non-serialized.
  Cause:
  
  Configuration Issue: The business process is set up in a way that does not support simultaneous processing of groups. This could be due to settings in the material master, production order, or other related configurations.
  Business Process Design: The design of the business process may inherently not allow for simultaneous processing, which is common in non-serialized processes where items must be handled in a specific sequence.
  Master Data Settings: The master data for the materials or products involved may not be configured to allow simultaneous processing.
  
  Solution:
  
  Review Configuration: Check the configuration settings for the business process in question. Ensure that the settings allow for simultaneous processing if that is the intended behavior.
  Adjust Process Design: If the business process is not meant to handle simultaneous groups, consider redesigning the process to accommodate the required flow. This may involve changing how items are grouped or processed.
  Check Master Data: Review the master data settings for the materials involved. Ensure that they are set up correctly to support the desired processing method.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on configuring simultaneous processing in your version of SAP.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if this is a critical business process.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration.
  Transaction Codes: Familiarize yourself with transaction codes related to configuration and master data management, such as:
  
  SPRO: For configuration settings.
  MM02: For material master changes.
  CO02: For production order processing.
  
  
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By addressing the configuration and design of the business process, you should be able to resolve the error and ensure that the system behaves as expected.