Sync Child Site button doesn’t do anything (V4)

I just updated to V4, and that went well. Unfortunately, the big green “Sync Child Sites” button doesn’t do anything.

This is in the console:

Uncaught TypeError: jQuery(...).tooltip is not a function
    at mainwp-reporting.js?ver=1.4:854
mainwp-reporting.js?ver=1.4:3 Uncaught TypeError: jQuery(...).datepicker is not a function
    at HTMLDocument.<anonymous> (mainwp-reporting.js?ver=1.4:3)
    at i (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:2)
    at Object.fireWith [as resolveWith] (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:2)
    at Function.ready (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:2)
    at HTMLDocument.J (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:2)
wp-auth-check.min.js?ver=c5ae72c937a8dd55b32bdb7c3157de8b:1 Uncaught TypeError: Cannot read property 'hasClass' of undefined
    at HTMLDocument.<anonymous> (wp-auth-check.min.js?ver=c5ae72c937a8dd55b32bdb7c3157de8b:1)
    at HTMLDocument.dispatch (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:3)
    at HTMLDocument.r.handle (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:3)
    at Object.trigger (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:3)
    at Object.a.event.trigger (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:8)
    at HTMLDocument.<anonymous> (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:3)
    at Function.each (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:2)
    at a.fn.init.each (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:2)
    at a.fn.init.trigger (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:3)
    at Object.<anonymous> (heartbeat.min.js?ver=c5ae72c937a8dd55b32bdb7c3157de8b:1)
    at i (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:2)
    at Object.fireWith [as resolveWith] (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:2)
    at x (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:4)
    at XMLHttpRequest.c (load-scripts.php?c=0&load[]=jquery-core,jquery-migrate,utils,jquery-ui-widget,jquery-ui-position,jquery-ui-core,jquery-ui-mouse,jquery-ui-resizable,jquery-u&load[]=i-draggable,jquery-ui-button,jquery-ui-dialog,zxcvbn-async&ver=c5ae72c937a8dd55b32bdb7c3157de8b:4)