Having the same problem. :< I get:
<Error code="48" module="3" line="339" text="callback (): TypeError: Cannot read property 'cancel' of undefined TypeError: Cannot read property 'cancel' of undefined at Templates\EJS\Account\link.approve.ejs:32:49 at Object.render (Library/core-template.js:185:15) at Object.reply (Library/sugar-reply.js:85:25) at Library/lib-troll.js:111:32 at Account/before.js:19:13 at Library/lib-troll.js:107:40 at Location/controllers.js:61:13 at Library/lib-troll.js:107:40 at Object.<anonymous> (Location/controllers.js:45:21) at Library/sugar-sts.js:125:72"/>