itch.io

It won’t error from the beginning, but once I input the colon number, they all pop up a black window and output the same error as before.

debugger invoked on a SDL2::SDL-RC-ERROR in thread
#<THREAD "SDL2 Main Thread" RUNNING {1003152D53}>:
  SDL Error (-1): That operation is not supported

The current thread is not at the foreground,
SB-THREAD:RELEASE-FOREGROUND has to be called in #<SB-THREAD:THREAD "main thread" RUNNING {1000558083}>
for this thread to enter the debugger.
^C
debugger invoked on a SB-SYS:INTERACTIVE-INTERRUPT in thread
#<THREAD "main thread" RUNNING {1000558083}>:
  Interactive interrupt at #x7FE6D76287FB.

Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL.

restarts (invokable by number or by possibly-abbreviated name):
  0: [EXIT ] Exit.
  1: [ABORT] Exit from the current thread.

("bogus stack frame")
0]

So, the problem resides in the sketch library. I wonder if that library works on Windows. I think Windows is the ultimate platform for distributing binaries.