Problem in submitting the answer of a question

বাংলাদেশ-ভারত ওয়ানডে সিরিজ
After I submit an answer, it shows that

We seem to have hit a snag. Please try again later…’

This is happening for only this problem, not any other problem.

Oi question tab ta bondho kore ba question link copy kore ber hoye abar paste kore try korun.