Bug - clicking button on pen disables mouse . .

Description of the Problem, or Question?

Normally, clicking with the mouse in mypaint works, however the moment I press button on pen, on XP-Pen artist 24 tablet, the mouse can’t click, only move, so for some reason it’s difficult to use the program . . .

Basic System Details

mypaint 2.0.1 . . .

Operating System + Version:
Windows 10

Make and Model # of Graphic Tablet:
XP-Pen Artist 24

Please Tell Us How to Reproduce the Problem in Steps.

Start drawing, mouse buttons work, then click button on pen, no longer click with the mouse . . .

Are there any Errors Popping Up? If so, paste the text in the area shown below.

No errors, from program . . .