user panel login error

cwp pro 0.9.8.956

1. when any user enters incorrect login or password gets an error - failed
2. when login and password are correct gets the following error on browse console (form hangs, login button stays "Please wait!"):

============================================================
DevTools failed to parse SourceMap: https://xxxx:2083/toastr.js.map
DevTools failed to parse SourceMap: https://xxxx:2083/login/cwp_theme/original/js/popper.min.js.map
VM630:1 Uncaught SyntaxError: Unexpected end of JSON input
    at JSON.parse (<anonymous>)
    at Object.complete ((index):301)
    at i (jquery-3.1.1.min.js:2)
    at Object.fireWith (jquery-3.1.1.min.js:2)
    at A (jquery-3.1.1.min.js:4)
    at XMLHttpRequest.<anonymous> (jquery-3.1.1.min.js:4)
complete @ (index):301
i @ jquery-3.1.1.min.js:2
fireWith @ jquery-3.1.1.min.js:2
A @ jquery-3.1.1.min.js:4
(anonymous) @ jquery-3.1.1.min.js:4
load (async)
send @ jquery-3.1.1.min.js:4
ajax @ jquery-3.1.1.min.js:4
valite @ (index):296
onclick @ (index):104

sh /scripts/update_cwp