Hey there!

Could you please describe your problem a bit better?

For the solution please see the link below from a similar case to yours:

https://support.mozilla.org/en-US/questions/1321937

Hope I helped!

Kind regards,

Bithiah

What are you copying, from where to where? How are you doing it?

Hey there!

If your problem is solved, please mark a solution so that others can see this thread is solved. Thank you in advance!

Kind regards,

Bithiah