Message type: E = Error
Message class:  XE - Express Delivery Company Interface 
Message number: 001
Message text: Select the lines you want to edit
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.
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The SAP error message XE001, which states "Select the lines you want to edit," typically occurs when a user attempts to perform an action (such as editing or deleting) on a list of items or entries in a transaction, but has not selected any specific lines to act upon. This is a common issue in various SAP modules, especially in transactions that involve lists or tables.
Cause: No Selection Made: The most common cause is that the user has not selected any lines in the list or table before attempting to edit or delete. Multiple Selections Required: In some cases, the system may require multiple selections, and the user may have only selected one or none. User Interface Issue: Sometimes, the user interface may not clearly indicate how to select items, leading to confusion.
Solution: Select Lines: Ensure that you select the lines you want to edit. This can usually be done by clicking on the
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