Message type: E = Error
Message class:  LSO_CORRESPONDENCE - Correspondence Messages 
Message number: 707
Message text: Select one or more lines
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.
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The SAP error message LSO_CORRESPONDENCE707 typically occurs in the context of the SAP Learning Solution (LSO) module. This error indicates that the user needs to select one or more lines in a list or table before proceeding with an action. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: The error arises when a user attempts to perform an action (such as processing, deleting, or viewing details) on a list of items (like correspondence items) without selecting any of the items. The system requires at least one item to be selected to proceed.
Solution: Select Items: Ensure that you select one or more lines from the list before attempting to execute the action that triggered the error. This can usually be done by clicking on the checkbox next to the item(s) you wish to select. Check for Filters: If you are unable to see any items to select, check if there are
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