wurst 1.21 error

I reinstalled minecraft and installed wurst 1.21 and also installed fabric 1.21 in minecraft but it gives error. Is there anyone who can help?

Hi UkkaseMorningstar, please post the crash report so I can investigate further.

You can find it in your .minecraft/crash-reports/ folder. Simply drag the file into the reply box here.

I solved the problem but thanks anyway🙂