After 3 lines in my answer in a Zoho learn quiz, i can't use the space bar

After 3 lines in my answer in a Zoho learn quiz, i can't use the space bar

After 3 lines in my answer in a Zoho learn quiz, I can't seem to be able to put a space between my words, if I write for a while it comes back on, and later on it stops again.

It isn't just with me, it happens with other coworkers I have