TclError: this isn't a Tk applicationunknown color name "BACKGROUND"

when i try to open pmv MGL tool it wasn’t execute, then i tried in konsole it shows error TclError: this isn’t a Tk applicationunknown color name “BACKGROUND”. please help me how to solve it.

If you installed this AUR (en) - mgltools-bin
That package was last updated in 2018 and according to the website http://mgltools.scripps.edu/ they moved some of their tools sources. There is nothing we can do. Moved to #support:3rd-party-applications
Please follow their documentation.

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Okay, I’ll try thank you !