Problem submitting solutions

Hello, I’m new on this site and I tried to make my first submission when I get this error repeatedly :
Capture

Of course, I checked, and everything seems normal. Do you have any idea why this error appears ?
Thanks

I figured out I did something wrong, sorry for the shitpost :sweat:

there are no shitposts ,we re all glad to help and we all make mistakes even the professionals :grinning: