s! The form must be updated to (!idspnInfoPath_Short) to upgrade the cannot be blank behavior for repeating fields. Do you ...

%1!s! The form must be updated to (!idspnInfoPath_Short) to upgrade the cannot be blank behavior for repeating fields. Do you want to continue?  

• To continue using the currently opened form and upgrade it to the latest InfoPath version, click Yes.
• To keep your form compatible with earlier versions of InfoPath, click No.