Dual live data sources not working

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/dual-live-data-sources-not-working/
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Until recently I used Tronity with ABRP, however in the last few weeks switched over to an OBD dongle to get faster and more detailed real time data.

I missed being able to get updated information when I was away from the car since switching over to using the OBD dongle, so I was delighted to see that ABRP 4.2.6 claims to support dual live data sources.

I have tried to re-link my Tronity account as a second source in addition to my OBD dongle, however after every attempt linking the Tronity account it vanishes shortly after being linked.

If I remove the OBD dongle, then Tronity stays linked and works, but re-linking the OBD dongle causes Tronity to vanish/become un-linked.

I have tried performing the linking in both the Android ABRP app and the web based version on my Laptop with no success.

The attached screen shot is the current link status today, after I had linked Tronity to my account yesterday.

Any ideas why Tronity won't stay linked as a live data source if I have the OBD dongle linked?