I had an issue with Webstorm 2019.2 with the issue...
# sdf
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I had an issue with Webstorm 2019.2 with the issue token dialog, even though I was using JDK8. I reverted back to 2019.1.4. However, I decided to give it another go, so I upgraded to 2019.2, rebooted, and all is well. (That, "Did you try restarting your computer" trick worked. /shrugs)