Paste bibtex hangs on parsing

Add Papers, Add Manually
Paste the following in the box:

title={Artificial chemistries},
author={Banzhaf, Wolfgang and Yamamoto, Lidia},
publisher={MIT Press}

The text does not appear in the box. Instead the box immediately disappears and an empty progress bar labelled “Parsing citations” appears at the top of the window. Nothing else happens. No new paper is added.

Chrome Version 66.0.3359.181 (Official Build) (64-bit) on Linux Manjaro 18.0.4

Thank you for the report, Justin. Is this still happening? I see nothing unusual in our logs.

My importing attempts with the steps and text you provided were successful:

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