How To Fix S#644 - Only &1 of &2 selected &3 can be changed

S#644 - Overview

• Message type: E = Error

• Message class: S# -

• Message number: 644

• Message text: Only &1 of &2 selected &3 can be changed

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?

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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 S#644 - Only &1 of &2 selected &3 can be changed ?

  The SAP error message S#644 ("Only &1 of &2 selected &3 can be changed") typically occurs when you are trying to change a selection or a set of data in SAP that is not allowed due to certain restrictions. This message indicates that only a specific number of items (in this case, &1) out of a total number of items (represented by &2) can be modified, and the operation you are attempting is not permitted for the selected items.
  
  Cause:
  
  Selection Restrictions: The system may have restrictions on which items can be modified based on their status or other criteria.
  Data Locking: The items you are trying to change may be locked by another user or process.
  Authorization Issues: You may not have the necessary permissions to change certain items.
  Business Logic: The underlying business logic may dictate that only certain items can be modified at a time.
  
  
  Solution:
  
  Check Selection Criteria: Review the items you have