Theme Error

[djangoboi]

Here is the error message from my booster theme shopify platform

"Theme Error
It looks like there was an error on the setting you just edited.
Try undoing the change or assets/theme.scss.liquid in the template editor to fix the error below:
Invalid CSS after " font-family: ": expected expression (e.g. 1px, bold), was ";" at 8109"

How can I get this resolved. My whole shopify design is skewed