If Ctrl+L or Ctrl+S is pressed when “Press ENTER” is displayed while the BACKTRACE command is being executed, some keystrokes will not be operative afterwards.
When an undefined constant is specified to an argument of a function, it causes a Syntax Error instead of an Undefined Constant error.
After forcefully quitting the program by pressing the + Button, the program is started when the + Button is released.
When a composition type of LAYER is other than 0 and LCLIP is set at one upper layer ID, the previous frame's layer image remains outside the LCLIP range.
The error argument number is wrong when an invalid MML is specified in BGMPLAY.
Negative values cannot be set for variables in MML.