How To Fix /PLMU/UI_WWI001 - Mixed object types are not supported; contact your system administrator

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMU/UI_WWI -

• Message number: 001

• Message text: Mixed object types are not supported; contact your system administrator

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 /PLMU/UI_WWI001 - Mixed object types are not supported; contact your system administrator ?

  The SAP error message /PLMU/UI_WWI001 Mixed object types are not supported; contact your system administrator typically occurs in the context of using the SAP PLM (Product Lifecycle Management) module, particularly when dealing with work items or object types that are not compatible with each other.
  
  Cause:
  This error usually arises when there is an attempt to process or display a list of objects that contain mixed types. For example, if a user tries to work with a list that includes both documents and change requests, the system may not be able to handle this mixed content, leading to the error message.
  
  Solution:
  To resolve this issue, consider the following steps:
  
  
  Check Object Types: Ensure that the objects you are trying to process or display are of the same type. If you are working with a list, filter it to include only one type of object.
  
  
  Review Configuration: If you are a system administrator, check the configuration