My host meeting links are not working

[ClaireS]

My students have been unable to join scheduled meetings via the link I have sent. It states the passcode isn’t working? Can anybody help.

I’ve not had this problem before

[TinaA]

Did you get an answer Clare?

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[TinaA]

Im having the same problem If I host. So I join and we all  join in. One of my students is having trouble each time she logs in each Tuesday UK am.