I saw the Industrial Theme also had these recently.

New CoreRPG campaign, no extensions.

Code:
[10/4/2022 6:03:56 PM] [WARNING]  font: Font (idactivefont) defined with merge attribute, but asset name does not match existing asset. [SWKTHEME_WESTERN] [graphics/graphics_fonts.xml]
[10/4/2022 6:03:56 PM] [WARNING]  font: Font (idinactivefont) defined with merge attribute, but asset name does not match existing asset. [SWKTHEME_WESTERN] [graphics/graphics_fonts.xml]
[10/4/2022 6:03:58 PM] [ERROR]  icon: Could not find image file (graphics/icons/indicator_prompt.png) for icon (indicator_prompt). [SWKTHEME_WESTERN] [graphics/graphics_icons.xml]