Blank page and error after update

cjcom

Hello i just update an "old" betheme theme and i got multiple problem.

First, after the update, my website was just blank. All page exept the back office.

After that i just saw the error "Fatal error: Call to undefined function mfn_opts_show()"

So i just replace two lines in my header.php in my child theme by : 'echo mfn_opts_get()'

So now, i got just my slider revolution but everything else does not appear and i got new errors :

"Uncaught Error: Call to undefined function sc_XXX"

Can you help me ? my php version is 7.3

Phil

Hello,
Can you change your child Theme to parent, and check if it works then, please?

Thanks

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