Okay, that's great, at least you recall the email you've used. Won't be a difficult task. Go to the login page by clicking the following link:
https://pacommunity.co.uk/loginOnce you are there, you must be able to see the "forgot password" option. All you've to do is, just click on that and put the registered email in the required field. PAC will automatically send you the recovery code which can be used to set a new password. If it doesn't help, let me know.