In MS CRM 2013 – on premise,
When I try to create a new Email activity in the opportunity page and insert one of the existing templates, I get the below error message
“An error has occurred. Please return to the home page and try again.”
To reproduce, we need go to any entity ==> create email ==> insert email template, you will get this error. Strange thing is it works fine with other browsers like Firefox or crome but not in IE 11.
But, if you generate email through Sales ==> Activity ==> create email ==> insert email template, this above mentioned error wont trigger.
This a bug by MS Dynamics CRM itself. This issue will be fixed in next UR by MS.