holy crapAh, that's it then. I stole from them first, naughty me.
Still leaves me with a corpse in my backpack, though.
Goblins and bears.
I was so scared thinking the plugin I so depended on was broken, but thankfully I am just retarded XD
Hotfix for both issues:
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so basically, they didn't respawn because, while I changed the spawn script from yenfly to galv plugin, I forgot to do the same for respawn script.
As for the old man, RPGM requires all interactable events to have an image attached to it, even if the image is empty. I forgot to set the empty image.
Sorry