I was trying to use schematica in 1.14.4 but i have this issue. Screenshot - > https://imgur.com/a/BPx214v
Btw there is the latest log with this error - >
latest.log

Maybe is something wrong on my side, i actually dont know, what to do with this error.

Btw. 1.13.2 also doesnt work.

You need to include the full file name in the command