Zulu Sync Issue

The authentication process took some time , which is OK, but no user feedback ( I noticed on one of the videos there was a little bouncing dot beside the authenticate button, but I'm not seeing anything- it stays still

I was patient and rewarded with this ! ya

So it creates the calendar , but when I try to do a sync I get the error below ( Reset Sync data seems to work fine)

and then I get the this in an email

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SEVERE: Sync between 127.0.0.1 / experimentalfallgroupdatabase (FileMaker Server) and com.prosc.exchange.ExchangeDatabase@154243fb

Last sync failed: java.lang.RuntimeException: No calendar found with display name: Canadian Training Courses

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it clearly communicated with the exchange server, ( to create the calendar) but then fails when trying to sync