Check the database itself to see if any data exists.
You can do that with a, free, tool like phpmyadmin.
If its empty your upgrade did not work at all.
In that case you need to start again
No need to close, it remains as info for others.
Please do read the administration manual around updating your Mantis installation, it would have gome smoother.
Nevertheless good to hear you got it fixed.
if you open up my bug_mailtemplate.html, you can remove the comment tags on line 76 and 80. Next you will get additional information in the overview: - The array that holds all data - The referer from which the script is called. Most of the index errors you mention, I cannot reproduce. Due_date, Pro...
This output seems to indicate that you did not make all changes I put in place since this is not HTML enabled output.
Did you use the provided email_api.php and did you make the correct changes in core/config_inc.php?