For plugins which use "NPPM_MENUCOMMAND"...

[donho]

Some command messages which don’t belong to menu are moved out of menuCmdID.h.

Normally plugins should not call them, since they are not menu commands.

Just in case if the bad practice has been done, and you still want to hack your plugin, here are the 2 concerning commits:
https://github.com/notepad-plus-plus/notepad-plus-plus/commit/c5094fee8b08e306fb030c14b265edee5c2beff4
&
https://github.com/notepad-plus-plus/notepad-plus-plus/commit/55df104606e61bdb3fcb79ee730e4f45ce59b1b5