Why am I getting "An error happened; will automatically restart" on my HMISTW when trying to view Webvisu?

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Issue:

Why am I getting "An error happened; will automatically restart" on my HMISTW when trying to view Webvisu?

Product Line:

HMISTW

Resolution:
This error usually occurs when the HMISTW is running an older firmware version.
Last official firmware: 1.1.0 (26 Oct, 2020)

Please see this FAQ on how to update the HMISTW firmware:
https://www.se.com/ww/en/faqs/FA403854/

HMISTW error with Webvisu

Here is how to check which firmware version your HMISTW is running:
1. Open the configuration menu on the HMISTW
2. Click "+ Information" to expand
3. There you will be able to check with version currently running.
version