: You clicked "First Scan" or "Next Scan" while the value input box was completely blank or contained non-numeric characters.
Some paranoid forums claim this error is a sign of a keylogger or remote access tool interfering with Cheat Engine. That is false. This is a pure programming logic error inside Cheat Engine itself. No malware uses the phrase "Please fill something in." That is wholly from the CE developer team's error messaging. : You clicked "First Scan" or "Next Scan"