Button graphics missing after new build/rebuild

[stm-tjt]

Hi,

I have a forward and back navigation button on most screens in my project, made in 2.40 SP1. The back button navigates to previous screen, while the forward button goes to a specific screen. I have tried this with the back button placed either on each page or in the template screen I use as background. No screen elements are placed to cover the buttons on any screen.
The buttons consist of one single element: a button with a picture. No visibility or other dynamics have been set for it.

However, the buttons, in particular the forward button, sometimes become invisible, seemingly at random. In most cases they reappear (one or both) after rebuilding the project, but disappear (again, one or both) when building changes.

EDIT: The button actions, i.e. navigating to previous/target screen, always function when pressing where the button is/should be. It seems to be only the button graphics missing.

Is this a known bug? Does anyone know a permanent solution to this, rather than rebuilding and hoping the buttons appear?

- Tom

[d_reibelt]

I did recently encounter an issue where certain graphics I had to increase the bounding box size to bigger that the image size in order to make them appear....