Message type: E = Error
Message class:  FIPOS - Message Class for Creation of Commitment Items 
Message number: 020
Message text: Select at least one valid line
You have not selected a valid line. Lines with status <LS>Inconsistent
</> or <LS>Blocked</> are not valid.
Processing stopped.
Select valid lines.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FIPOS020: "Select at least one valid line" typically occurs in the context of financial transactions, particularly when working with payment processing or invoice management in SAP. This error indicates that the user has not selected any valid line items for processing, which is required for the transaction to proceed. Causes: No Line Items Selected: The most common cause is that the user has not selected any line items in the transaction screen. Invalid Line Items: The line items that are available may not be valid for the operation being performed (e.g., they may be already processed, canceled, or not applicable). Filters Applied: Sometimes, filters or selection criteria may inadvertently hide valid line items, leading to the perception that there are no valid lines to select. Authorization Issues: The user may not have the necessary permissions to select or process certain line items. Solutions: Select Line Items: Ensure that you select at least one
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FIPOS019 Errors occurred as the G/L accounts were being saved
What causes this issue?  The commitment item cannot be assigned to the G/L account because the state of the G/L account does not permit this transacti...
FIPOS018 The default values do not agree with the specified values
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FIPOS022 No data was changed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FIPOS023 Commitment item &1 already exists as summarization item
What causes this issue?  You have tried to assign a commitment item which already existed as a summarization item to a G/L account.System Response  Th...
Click on this link to search all SAP messages.