Website (eu-citizen.science) server 406 error when save submission

[robinjewsbury]

Website (eu-citizen.science) server 406 error when save submission

Failed to load resource: the server responded with a status of 406 ()Understand this errorAI
newProject:5452 Uncaught TypeError: Cannot read properties of undefined (reading 'top')
at Object.error (newProject:5452:72)
at c (jquery.min.js:2:27742)
at Object.fireWith [as rejectWith] (jquery.min.js:2:28487)
at l (jquery.min.js:2:78814)
at XMLHttpRequest. (jquery.min.js:2:81117)