Counter is not defined

ReferenceError: Counter is not defined
    at NotFound (/var/task/netlify/functions/index.js:14199:31)
    at createComponent (/var/task/netlify/functions/index.js:12333:15)
    at shared.element.component.element.element [as outlet] (/var/task/netlify/functions/index.js:13606:32)
    at get children [as children] (/var/task/netlify/functions/index.js:13922:22)
    at /var/task/netlify/functions/index.js:12291:35
    at /var/task/netlify/functions/index.js:12251:49
    at createMemo (/var/task/netlify/functions/index.js:12178:9)
    at children (/var/task/netlify/functions/index.js:12251:16)
    at /var/task/netlify/functions/index.js:12291:14
    at createMemo (/var/task/netlify/functions/index.js:12178:9)