practicalli (youtube)
practicalli-john 2021-02-12T00:48:11.019800Z

Sounds like SVG is not supported in the Emacs build you are using. From the Spacemacs comment for the banner image:

A string value must be a path to an image format supported
;; by your Emacs build.

practicalli-john 2021-02-12T00:49:41.020100Z

Try a different build of Emacs, or use only supported image types for the curry build being used, i.e. png

practicalli-john 2021-02-12T00:51:18.020300Z

I have a little example project I will share soon in the Practicalli GitHub repository

ghosttoaster 2021-02-12T01:05:55.020600Z

ha. got it.

ghosttoaster 2021-02-12T01:06:10.020800Z

png did the trick