Error rendering component

Could not render component '@main-nav--dark' - component not found.

Error: Could not render component '@main-nav--dark' - component not found.
    at Object.render (/home/bgunn/dev/git/health-design-system/node_modules/@frctl/handlebars/src/helpers/render.js:23:19)
    at Object.helperWrapper (/home/bgunn/dev/git/health-design-system/node_modules/promised-handlebars/index.js:130:23)
    at Object. (/home/bgunn/dev/git/health-design-system/node_modules/promised-handlebars/lib/utils.js:29:28)
    at Object.wrapper (/home/bgunn/dev/git/health-design-system/node_modules/handlebars/dist/cjs/handlebars/internal/wrapHelper.js:15:19)
    at Object.eval [as main] (eval at createFunctionContext (/home/bgunn/dev/git/health-design-system/node_modules/handlebars/dist/cjs/handlebars/compiler/javascript-compiler.js:262:23), :15:102)
    at main (/home/bgunn/dev/git/health-design-system/node_modules/handlebars/dist/cjs/handlebars/runtime.js:208:32)
    at ret (/home/bgunn/dev/git/health-design-system/node_modules/handlebars/dist/cjs/handlebars/runtime.js:212:12)
    at ret (/home/bgunn/dev/git/health-design-system/node_modules/handlebars/dist/cjs/handlebars/compiler/compiler.js:519:21)
    at prepareAndResolveMarkers (/home/bgunn/dev/git/health-design-system/node_modules/promised-handlebars/index.js:99:39)
    at /home/bgunn/dev/git/health-design-system/node_modules/promised-handlebars/lib/utils.js:29:28
    at HandlebarsAdapter.render (/home/bgunn/dev/git/health-design-system/node_modules/@frctl/handlebars/src/adapter.js:37:30)
    at ComponentSource._renderVariant (/home/bgunn/dev/git/health-design-system/node_modules/@frctl/fractal/src/api/components/source.js:212:30)
    at _renderVariant.next ()
    at onFulfilled (/home/bgunn/dev/git/health-design-system/node_modules/co/index.js:65:19)