conversations is gone

[ornate vortex]

after i upgraded to plus my previous conversations have completely disappered like they have been deleted from the system after i got plus member is this another bug or whats going on i have not deleted anything from my side of

[viscid salmon]

This happened to me right at the start of Plus, but it came back after a day or so, worth trying a browser like firefox which has non of the chromium engine in it