App isn't running after deploy

Hello Meteor-Community,

my app is showing the following error.
The Connection String is right.

Is ther someone who can help me?

Nodejs: 8.11.1
Mongodb: 4.0.2

Error:

/var/www/vhosts/app.my-domain123.de/my-domain123_v1.1/programs/server/node_modules/fibers/future.js:313
throw(ex);
^

Error: failed [500] <!doctype html> Web application could not be started /*! * Bootstrap v3.3.7 (http://getbootstrap.com) * Copyright 2011-2017 Twitter, Inc…
at Object.exports.makeErrorByStatus (packages/http.js:176:10)
at Request._callback (packages/http.js:140:24)
at Request.self.callback (/var/www/vhosts/app.my-domain123.de/my-domain123_v1.1/programs/server/npm/node_modules/meteor/http/node_modules/request/request.js:185:22)
at emitTwo (events.js:126:13)
at Request.emit (events.js:214:7)
at Request. (/var/www/vhosts/app.my-domain123.de/my-domain123_v1.1/programs/server/npm/node_modules/meteor/http/node_modules/request/request.js:1161:10)
at emitOne (events.js:116:13)
at Request.emit (events.js:211:7)
at IncomingMessage. (/var/www/vhosts/app.my-domain123.de/my-domain123_v1.1/programs/server/npm/node_modules/meteor/http/node_modules/request/request.js:1083:12)
at Object.onceWrapper (events.js:313:30)
at emitNone (events.js:111:20)
at IncomingMessage.emit (events.js:208:7)
at endReadableNT (_stream_readable.js:1064:12)
at _combinedTickCallback (internal/process/next_tick.js:139:11)
at process._tickDomainCallback (internal/process/next_tick.js:219:9)

Hi! Can you share your packages.json?

Hi! Thank you for your answer. The problem is solved and I think there is no value for the community.

Just a comment on security, the 3.3.7 is considered vulnerable. More here: