https://r1132100503382-eu1-3dswym.3dexperience.3ds.com/#community:51/iquestion:OH32opk4TWmFQ1CDRf0N8g

This error has been resolved. Thank you very much.

But there was a different error

The screen freezes for a short time when i draw a line, a square, etc.

Can someone tell me the cause?