Hey Guys, maybe you can help 
Added a new resource with improvement to the game, but the build-button for the worker has no design.
Any suggestion how to fix this problem? Does this icon need any special dds-format like RGB8?
thanks for the help

Added a new resource with improvement to the game, but the build-button for the worker has no design.
Spoiler :

Any suggestion how to fix this problem? Does this icon need any special dds-format like RGB8?
thanks for the help
