error when cloning "The kernel appears to have died. It will restart automatically."

Question

i'm trying to copy an item from one orginsation to another using an AGOL notebook but i get this error for a particular feature service

"The kernel appears to have died. It will restart automatically."

any ideas?

StuartMoore · Answer

i've tried the same notebook in pro and get a more of an error message

Field LEAKAGE__1 has invalid html content.
(Error Code: 400)

has anyone had to deal with this type of error

thanks