Versions
I use WorldEdit on the forge version.
WorldEdit version:
Platform version: 1.14.4

Describe the bug
When writing a command "/schematic save train schematic" an error occurs and asks to look at the console.

To Reproduce
/copy
/schematic save train schematic

Expected behavior
I expected the usual save to the config folder

Screenshots

This format does not support saving

then what format will work?

just leave out the format arg, the default will work.