How To Fix /PLMPCV/SIN001 - Navigation to &1 is not allowed; select header entry first

/PLMPCV/SIN001 - Overview

• Message type: E = Error

• Message class: /PLMPCV/SIN -

• Message number: 001

• Message text: Navigation to &1 is not allowed; select header entry first

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.

/PLMPCV/SIN001 - Details

• The SAP error message /PLMPCV/SIN001 Navigation to &1 is not allowed; select header entry first typically occurs in the context of SAP Product Lifecycle Management (PLM) or similar modules where navigation through documents or items is structured hierarchically. This error indicates that the user is trying to navigate to a detail or subordinate entry without first selecting the appropriate header or parent entry.
  
  Cause:
  
  Incorrect Selection: The user is attempting to access a detail view or subordinate item without having selected the corresponding header entry first.
  User Interface Navigation: The navigation structure in the SAP GUI or Fiori app requires a specific sequence of selections, and the user may have skipped a necessary step.
  Authorization Issues: In some cases, the user may not have the necessary authorizations to view certain details, leading to navigation errors.
  
  
  Solution:
  
  Select the Header Entry: Ensure that you first select the appropriate header entry in the list or tree structure before