Blank window after update to 2.6.7

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Hello,

after updating to version 2.6.7 my site displays blank windows on Safari, Chrome, Firefox and Opera. But the site is visible inside Customize menu.

www.mikroton.net

I get also this error in Safari:
TypeError: $ is not a function. (In '$('[href="#search"]')', '$' is undefined)

Same Problem here. Site is not visible online anymore. Only the Favicon shows up - apart from that it is blank… Help Lay Theme!

2.6.8 cured the problem. Thanks a lot!

Thanks from me too. We are online again.

Perfect!