Error message in basic UI: SSE subscription failed: running in fallback mode

Since installing snapshot #1308 I’m getting the above error in Chrome and mobile Safari when viewing the basic UI sitemap. Anyone know if it’s a bug I should report, or some other problem?

See discussion here.

@Lolodomo has a workaround in the pipeline.

By any chance are you on an Android device?

I’m on iphone but get it on chrome on a mac as well… funny to see it’s an old problem, as it’s completely new for me

I am witnessing the same issue with Chrome (Build 69) on Windows 10 (1809) displaying the Basic UI, running openHAB M4

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