JSON Custom Fonts Not Working Anymore

[DakWiser]

I have been using a JSON file with my organization's colors and font (Monserrat) for 2+ years and all the sudden it's not working anymore. I've never had an issue with this JSON file until today. Here is the JSON code:

It seems like I am getting an error with the visual styles section of the code that I've never gotten before. Being able to use my organization's font is super important and I would like to get this resolved. This is the reported problem with the theme:

#/visualStyles/*/*/*/0/color must be string,number,boolean (type; matching schema #/properties/visualStyles/additionalProperties/properties/*/patternProperties/%5E.%2B%24/items/patternProperties/%5E.%2B%24/anyOf/0/type)
#/visualStyles/*/*/*/0/color must have required property 'reverseDirection' (required; matching schema #/required)
#/visualStyles/*/*/*/0/color must have required property 'hideText' (required; matching schema #/required)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/additionalProperties)
#/visualStyles/*/*/*/0/color/solid must have required property 'color' (required; matching schema #/oneOf/0/properties/solid/required)
#/visualStyles/*/*/*/0/color must have required property 'gradient' (required; matching schema #/oneOf/1/required)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/oneOf/1/additionalProperties)
#/visualStyles/*/*/*/0/color must have required property 'pattern' (required; matching schema #/oneOf/2/required)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/oneOf/2/additionalProperties)
#/visualStyles/*/*/*/0/color must match exactly one schema in oneOf (oneOf; matching schema #/oneOf)
#/visualStyles/*/*/*/0/color must have required property 'linearGradient2' (required; matching schema #/oneOf/0/required)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/oneOf/0/additionalProperties)
#/visualStyles/*/*/*/0/color must have required property 'linearGradient3' (required; matching schema #/oneOf/1/required)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/oneOf/1/additionalProperties)
#/visualStyles/*/*/*/0/color must match exactly one schema in oneOf (oneOf; matching schema #/oneOf)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/definitions/icon/additionalProperties)
#/visualStyles/*/*/*/0/color must have required property 'name' (required; matching schema #/definitions/image/required)
#/visualStyles/*/*/*/0/color must have required property 'url' (required; matching schema #/definitions/image/required)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/definitions/image/additionalProperties)
#/visualStyles/*/*/*/0/color must be array (type; matching schema #/type)
#/visualStyles/*/*/*/0/color must have required property 'byReference' (required; matching schema #/definitions/itemLocation/required)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/definitions/itemLocation/additionalProperties)
#/visualStyles/*/*/*/0/color must have required property 'text' (required; matching schema #/definitions/annotationTemplate/oneOf/0/required)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/definitions/annotationTemplate/oneOf/0/additionalProperties)
#/visualStyles/*/*/*/0/color must have required property 'color' (required; matching schema #/definitions/annotationTemplate/oneOf/1/required)
#/visualStyles/*/*/*/0/color must NOT have additional properties (additionalProperties; matching schema #/definitions/annotationTemplate/oneOf/1/additionalProperties)
#/visualStyles/*/*/*/0/color must match exactly one schema in oneOf (oneOf; matching schema #/definitions/annotationTemplate/oneOf)
#/visualStyles/*/*/*/0/color must match a schema in anyOf (anyOf; matching schema #/properties/visualStyles/additionalProperties/properties/*/patternProperties/%5E.%2B%24/items/patternProperties/%5E.%2B%24/anyOf)

[lbendlin]

When did it break?

If you have a Pro license you can open a Pro ticket at https://admin.powerplatform.microsoft.com/newsupportticket/powerbi
Otherwise you can raise an issue at https://community.fabric.microsoft.com/t5/Issues/idb-p/Issues .