Access Error for Sydication Page

[Kolorado]

When trying to access my syndication page I get the error message:

You do not have permission to access this page. This could be because of one of the following reasons:

1. Your account has either been suspended or you have been banned from accessing this resource.
   
2. You do not have permission to access this page. Are you trying to access administrative pages or a resource that you shouldn't be? Check in the forum rules that you are allowed to perform this action.
   
3. Your account may still be awaiting activation or moderation. (Resend Activation Code)
   
4. You have accessed this page directly rather than using appropriate forms or link.
   

https://pheeds.com/phorum/misc.php?action=syndication

It doesn't matter if I'm logged in as Admin as a User or Guest. For some reason the forum has set it as a protected page but I don't see where the permissions are set for this page?

I have NewPoints plugin installed, but this issue just started and NewPoints has been working for about a month.

[.m.]

help pages & smilies page are also not working

https://pheeds.com/phorum/misc.php?action=help&hid=1

https://pheeds.com/phorum/misc.php?action=smilies

probably it is a problem with file permissions of misc.php file . its CHMOD can be 644 or 664

if above doesn't help then which other plugins you have in active status ?

[Kolorado]

guests cannot view pages of your forum.

do help pages or smilies page work ?

https://pheeds.com/phorum/misc.php?action=help&hid=1

https://pheeds.com/phorum/misc.php?action=smilies

No. I can't access either page as Guest or logged in as Admin.

[.m.]

^ which other plugins you have in active status ?

[Kolorado]

A number of plugins, however no new ones installed since the issue happened.

I did try a new template and deactivated it and it seems the problem began about this time. I have 1.8.22 and it was for an older version and I clicked "Force".

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Thanks .m. With your help I think I found the problem, now I need to figure out a fix.

[.m.]

^ can you tell us what was the actual cause ..