[zippys]

If you are receiving this error:

you do not have permission to access this page. This could be due to one of several reasons:

1. Your user account may not have sufficient privileges to access this page. Are you trying to edit someone else's post, access administrative features or some other privileged system?
2. If you are trying to post, the administrator may have disabled your account, or it may be awaiting activation.

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Even though you know you have permission, are the administrator or had permission before and suddenly lost it, this may solve the problem.

go to your calendar_rsvp_form in your Style Manager
look for:

<form action="calendar.php?do=getinfo&e=$eventinfo[eventid]&day=$rsvp_day" method="post">
<input type="hidden" name="do" value="getinfo" />
<input type="hidden" name="cdo" value="rsvp" />
<input type="hidden" name="day" value="$rsvp_day" />
<input type="hidden" name="e" value="$eventinfo[eventid]" />
<input type="hidden" name="s" value="" />
<input type="hidden" name="securitytoken" value="$bbuserinfo[securitytoken]" />

above that code put:

</form>

I dont know why or how this get undone, but it did in mine, this fixed it. hope this helps someone.