Local Webserver Failure

Back on the field with Server and Router and connected to the Farmbot, the error came up again pretty soon.
I got the feeling it’s mostly comming up while opening the farmware page or the sequences page, but not device and controls pages. I could even, after the first error message (pic 1) came up on the farmware page, go back to the controls page and move the farmbot. Only when I reload the page (F5) on the farmware page, the webpack crashes like before (pic 2). Does this narrow the problem a little bit?