1.4.5 - viewer - contact sheet - crash when Backgound image button pressed

[user0]

XnViewMP 1.4.5-1.5.0b2 64bit
Windows11 (22H2), display resolution 3840x2160, win scaling 150%

Viewer - contact sheet
Crash once select Background image button is pressed (Settings tab > Sheet group).
No issue if Contact sheet run from Browser mode.

[xnview]

Thanks to your detailed description I can reproduce

[xnview]

Thanks to your detailed description I can reproduce the problem.

[xnview]

This problem is supposed to be fixed in XnView MP 1.5.4. Please check and confirm the bug fix here.

[user0]

fixed in 1.5.4