General Error While creating new forums

[allen62]

hi
i was using phpbb3 version 3.0.12 and i upgrade it to 3.1.3 aabout a month ago everything is working fine just some problem with creating new forums whenever i try to create new forum it will give me this error
http://postimg.org/image/gxwlgt3fv/
http://postimg.org/image/tvtinisob/

[Oyabun1]

Please fill out the Support Request Template and post it back here to enable us to assist you better.

[allen62]

Support Request Template
What version of phpBB are you using? phpBB 3.1.3
What is your board's URL? http://pakisoldiers.com/
Who do you host your board with? linux
How did you install your board? I used the download package from phpBB.com
What is the most recent action performed on your board? Update from a previous version of phpBB3
Is registration required to reproduce this issue? No
Do you have any MODs installed? Yes
What version of phpBB3 did you update from? phpBB 3.1.2
What MODs do you have installed? Board Announcements .. Ajax Chat . Posting Template .. Online Status . memer time counter .. ban hammer .
What styles do you currently have installed? pbtech
What language(s) is your board currently using? English
Which database type/version are you using? MySQL 5
What is your level of experience? Comfortable with PHP and phpBB
When did your problem begin? 2 days ago
Please describe your problem. i upgrade from phpbb 3.0.12 o 3.1.3 about a month ago everything is working fine ... 2 days ago i try to create a new forum i got an error i tried 3 times i gotm same error
here are screenshots
http://postimg.org/image/gxwlgt3fv/
http://postimg.org/image/tvtinisob/
Generated by SRT Generator

[Oyabun1]

forum_post_tpl isn't a standard phpBB field. It probably comes from the Posting Template extension. You should seek support in the specific support forum/topic for that extension.