setupchecks.js:150 Uncaught TypeError: Cannot read property 'length' of null
at Object.afterCall (setupchecks.js:150)
at Object.<anonymous> (jquery.min.js:2)
at j (jquery.min.js:2)
at Object.fireWith [as resolveWith] (jquery.min.js:2)
at x (jquery.min.js:4)
at XMLHttpRequest.<anonymous> (jquery.min.js:4)
afterCall @ setupchecks.js:150
(anonymous) @ jquery.min.js:2
j @ jquery.min.js:2
fireWith @ jquery.min.js:2
x @ jquery.min.js:4
(anonymous) @ jquery.min.js:4
load (async)
send @ jquery.min.js:4
ajax @ jquery.min.js:4
checkSetup @ setupchecks.js:305
(anonymous) @ admin.js:253
j @ jquery.min.js:2
fireWith @ jquery.min.js:2
ready @ jquery.min.js:2
I @ jquery.min.js:2