Cannot Get wp-united working

I am using a Hosting Company called HostMySite.com and I am trying to get WP_United to work. I jeep getting the following error when I try the Connect button:

Current Status: Connected, but not ready or disabled due to errors

WP-United is connected but your phpBB forum is either producing errors, or is not set up properly.You need to install the WP-United phpBB MOD.

Click here to download the modification package. You can apply it using AutoMod (recommended), or manually by reading the install.xml file and following these instructions. When done, click "Connect" to try again.

You can't change any other settings until the problem is fixed.

The server returned the following information:
WP-United caught an error: /wordpress/wp-admin/admin-ajax.php returned: Internal Server Error
The page output was:

Here is the output from the Get Help page:

[b]WP-United Version[/b] : 0.9.2.8-r0
[b]WordPress Version[/b] : 4.3
[b]PHP Version[/b] : 5.3.28
[b]WP-United enabled?[/b] : No
[b]WordPress Home URL[/b] : http://san.com/it/
[b]WordPress Base URL[/b] : http://san.com/it/
[b]WordPress Plugin URL[/b] : http://san.com/it/ised/all/ele/
[b]phpBB URL[/b] : Unknown
[b]Plugin Path[/b] : ments\are\hidden\for\safety\some\thing\ised\all\ele/
[b]WordPress Path[/b] : ments\are\hidden\for\safety\some\thing/
[b]phpBB Path[/b] : /are/hidden/for/safety/here/thing/
[b]Active plugins[/b] : spider-event-calendar/calendar.php, wp-mail-smtp/wp_mail_smtp.php, wp-united/wp-united.php, wp-user-avatar/wp-user-avatar.php
[b]Current theme[/b] : MH Joystick lite
[b]Allocated memory[/b] : 27338.479532164M
[b]Memory limit[/b] : 256M
[b]Locale[/b] : en_US
[b]integrateLogin[/b] : 0
[b]showHdrFtr[/b] : NONE
[b]wpSimpleHdr[/b] : 1
[b]dtdSwitch[/b] : 0
[b]phpbbCensor[/b] : 1
[b]wpPageName[/b] : page.php
[b]phpbbPadding[/b] : 6-12-6-12
[b]xposting[/b] : 0
[b]phpbbSmilies[/b] : 0
[b]avatarsync[/b] : 1
[b]integcreatewp[/b] : 1
[b]integcreatephpbb[/b] : 1
[b]xpostautolink[/b] : 0
[b]xpostspam[/b] : all
[b]xpostforce[/b] : -1
[b]xposttype[/b] : excerpt
[b]xpostprefix[/b] : [BLOG]
[b]cssMagic[/b] : 1
[b]templateVoodoo[/b] : 1
[b]useForumPage[/b] : 1

https://wordpress.org/plugins/wp-united/