Message type: E = Error
Message class:  AQV - Message texts for SAP Query 
Message number: 330
Message text: No selections defined
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.
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.
The SAP error message AQV330 "No selections defined" typically occurs in the context of reporting or data extraction processes, particularly when using the SAP Query or similar reporting tools. This error indicates that the system expects some selection criteria to be defined for the report or query, but none have been provided.
Cause: Missing Selection Criteria: The most common cause is that the user has not defined any selection criteria for the report or query. Incorrect Query Configuration: The query may not be properly configured to allow for selection criteria. User Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the data or define selections. Technical Issues: There could be underlying technical issues with the SAP system or the specific query being executed.
Solution: Define Selection Criteria: Go back to the selection screen of the report or query. Ensure that you have defined at least one selection criterion. This could be a date range, specific
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
AQV329 No selections are allowed in display mode
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
AQV328 The header must not be blank
What causes this issue?  Each field must have a column header. You therefore have to enter a text in at least one line.System Response  The system iss...
AQV331 Place the cursor on a selection
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
AQV332 No additional tables or additional fields defined
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.