Message type: E = Error
Message class: RU - Messages for order completion confirmation
Message number: 304
Message text: Select a line in the data entry section
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RU304
- Select a line in the data entry section ?The SAP error message RU304 ("Select a line in the data entry section") typically occurs when a user attempts to perform an action that requires a specific line item to be selected in a data entry table or list, but no line has been selected. This can happen in various SAP transactions where line items are displayed, such as in purchase orders, sales orders, or other data entry forms.
Cause: No Line Selected: The most common cause is that the user has not selected any line item in the data entry section before attempting to execute an action (like editing, deleting, or processing). User Interface Issue: Sometimes, the user interface may not clearly indicate that a line needs to be selected, leading to confusion. Transaction-Specific Requirements: Certain transactions may have specific requirements for line selection that are not immediately obvious.
Solution: Select a Line Item: Ensure that you click on a line item in the data
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