Error rendering component

(unknown path) TypeError: Cannot read properties of undefined (reading 'startsWith')

Template render error: (unknown path)
  TypeError: Cannot read properties of undefined (reading 'startsWith')
    at Object._prettifyError (D:\Workspace\BBH\node_modules\nunjucks\src\lib.js:32:11)
    at D:\Workspace\BBH\node_modules\nunjucks\src\environment.js:464:19
    at Template.root [as rootRenderFunc] (eval at _compile (D:\Workspace\BBH\node_modules\nunjucks\src\environment.js:527:18), :24:3)
    at Template.render (D:\Workspace\BBH\node_modules\nunjucks\src\environment.js:454:10)
    at Environment.renderString (D:\Workspace\BBH\node_modules\nunjucks\src\environment.js:313:17)
    at Environment.tryCatcher (D:\Workspace\BBH\node_modules\bluebird\js\release\util.js:16:23)
    at Environment.ret [as renderStringAsync] (eval at makeNodePromisifiedEval (D:\Workspace\BBH\node_modules\bluebird\js\release\promisify.js:184:12), :14:23)
    at NunjucksAdapter.render (D:\Workspace\BBH\node_modules\@frctl\nunjucks\src\adapter.js:96:28)
    at ComponentSource._renderVariant (D:\Workspace\BBH\node_modules\@frctl\fractal\src\api\components\source.js:212:30)
    at _renderVariant.next ()
    at onFulfilled (D:\Workspace\BBH\node_modules\co\index.js:65:19)