I upgraded to mailenable 10.23 from version 7 but webmail will not work

[cboyd2019]

I'm running Server 2012 and after upgrading from version 7 to 10.23 when logging into webmail I'm getting the error message attached.
https://boydsinternet.com/mewebmail/Mon ... login.aspx
All other functions seem to work just fine

[cboyd2019]

I turned off customer errors and got the following error attached.
I tried the following article but still not working: https://www.mailenable.com/kb/content/a ... D=ME020643