I get an error like this, what should I do?

I get an error like this, what should I do?

3 minutes ago, erdemkrdgn said:

I get an error like this, what should I do?

You need to install the imagelibrary plugin https://umod.org/plugins/image-library

Yes, the plugin is installed but I get this error.

Ok I found the error and fixed it

When I close the NPC it gives an error. I don't want it to count when I hit an NPC.

Changed Status from Pending to Closed