& symbol not displaying in Item list and Group field not populated

& symbol not displaying in Item list and Group field not populated

We've just upgraded to 8007 from 7600 and now, if a ticket's resolution field is populated and the end user replies to the ticket the owner of the ticket receives a "Request re-opened by the user" message, even though the request was not closed/resolved yet.
 
And for items that have an & symbol in them, the text starting from the & symbol no longer appears in the drop down list and only reappears when you save the ticket
 
Select from list - should read P&R, only shows P
 
Item is saved ticket reads full P&R
 
We've also found that tickets are being created by end users without the Group field being populated, even though this field is populated in the template.
 
Your Version : 8.0.0 Build 8007

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