Since I migrate to umbraco version 7.15.3 I have a javascript error with link editor in tinymce on backoffice, I can't anymore add external or internal link I get this error with the browser console :

entityResource.getAnchors is not a function
    at umbraco.controllers.js?cdv=109649074:17144
    at showDialog (umbraco.services.js?cdv=109649074:7374)
    at i.<anonymous> (umbraco.services.js?cdv=109649074:7217)
    at $m.c.fire (tinymce.min.js?umb__rnd=5a8be95d12064e2154f4f54672e134ee:2)
    at i.fire (theme.min.js?umb__rnd=5a8be95d12064e2154f4f54672e134ee:1)
    at HTMLDivElement.o (theme.min.js?umb__rnd=5a8be95d12064e2154f4f54672e134ee:1)
    at C (tinymce.min.js?umb__rnd=5a8be95d12064e2154f4f54672e134ee:2)
    at HTMLDivElement.d (tinymce.min.js?umb__rnd=5a8be95d12064e2154f4f54672e134ee:2)