Application Error

ApolloError: Internal server error
    at new ApolloError2 (/home/new_opkop/domains/new.opkop.nl/releases/138/build/index.js:5026:184)
    at /home/new_opkop/domains/new.opkop.nl/releases/138/build/index.js:6005:41
    at both (/home/new_opkop/domains/new.opkop.nl/releases/138/build/index.js:2781:22)
    at /home/new_opkop/domains/new.opkop.nl/releases/138/build/index.js:2773:30
    at new Promise (<anonymous>)
    at Object.then (/home/new_opkop/domains/new.opkop.nl/releases/138/build/index.js:2772:20)
    at Object.next (/home/new_opkop/domains/new.opkop.nl/releases/138/build/index.js:2783:41)
    at notifySubscription (/home/new_opkop/domains/new.opkop.nl/releases/138/node_modules/zen-observable/lib/Observable.js:135:18)
    at onNotify (/home/new_opkop/domains/new.opkop.nl/releases/138/node_modules/zen-observable/lib/Observable.js:179:3)
    at SubscriptionObserver.next (/home/new_opkop/domains/new.opkop.nl/releases/138/node_modules/zen-observable/lib/Observable.js:235:7)