Apologies, I was a bit too overzealous with the migration. That "char-solid-coke" shouldn't have gotten the "char-". It should be fixed in the next version.
I found at 'prototypes\petrochem\adjustment.lua' unlock recipe 'coal-coke'.
I change it to 'char-coal-coke' and i don't know it correct or not for v1.16.20. But the error is disappear