How To Fix MPE_OAN078 - OAN &2, version &1 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 078

• Message text: OAN &2, version &1 is unknown

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_OAN078 - OAN &2, version &1 is unknown ?

  The SAP error message MPE_OAN078 indicates that there is an issue with the version of an object (in this case, an object related to Asset Accounting) that the system is trying to access. The message typically means that the specified version of the object is not recognized or does not exist in the system.
  Cause:
  
  Version Not Defined: The version of the object (OAN) specified in the error message is not defined in the system.
  Data Inconsistency: There may be inconsistencies in the data, such as missing or incorrectly configured versions.
  Configuration Issues: The configuration settings for Asset Accounting may not be set up correctly, leading to the system not recognizing the version.
  Transport Issues: If the object was transported from another system, the transport may not have included all necessary components or versions.
  
  Solution:
  
  Check Object Version: Verify that the version of the object (OAN) specified in the error message exists in the system. You can do this by checking the relevant configuration settings in Asset Accounting.
  Review Configuration: Ensure that the configuration for Asset Accounting is complete and correct. This includes checking the settings for the versioning of objects.
  Data Consistency Check: Run data consistency checks to identify any inconsistencies in the Asset Accounting data. This can often be done using transaction codes like OAN1 or OAN2.
  Transport Review: If the issue arose after a transport, review the transport logs to ensure that all necessary objects and versions were included in the transport.
  Consult Documentation: Refer to SAP documentation or notes related to Asset Accounting for any specific guidance on handling version-related issues.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OAN1 (Create Asset), OAN2 (Change Asset), and OAN3 (Display Asset) to manage asset versions.
  SAP Notes: Check for any SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.