To replicate:-

1. Go to a user profile
2. click on forum posts > post
   Notice similar to below will be shown

   $cm->availablefrom and $cm->availableuntil have been deprecated. This information is no longer available as the system provides more complex options (for example, there might be different dates for different users).

   line 1831 of /lib/modinfolib.php: call to debugging()

   line 1176 of /lib/modinfolib.php: call to cm_info->get_deprecated_available_date()

   line 1197 of /lib/modinfolib.php: call to cm_info->__get()

   line 8379 of /mod/forum/lib.php: call to cm_info->getIterator()

   line 128 of /mod/forum/user.php: call to forum_get_posts_by_user()

   $cm->showavailability property has been deprecated. You can replace it by checking if $cm->availableinfo has content.

   line 1816 of /lib/modinfolib.php: call to debugging()

   line 1176 of /lib/modinfolib.php: call to cm_info->get_show_availability()

   line 1197 of /lib/modinfolib.php: call to cm_info->__get()

   line 8379 of /mod/forum/lib.php: call to cm_info->getIterator()

   line 128 of /mod/forum/user.php: call to forum_get_posts_by_user()

   $cm->availablefrom and $cm->availableuntil have been deprecated. This information is no longer available as the system provides more complex options (for example, there might be different dates for different users).

   line 1831 of /lib/modinfolib.php: call to debugging()

   line 1176 of /lib/modinfolib.php: call to cm_info->get_deprecated_available_date()

   line 1197 of /lib/modinfolib.php: call to cm_info->__get()

   line 8379 of /mod/forum/lib.php: call to cm_info->getIterator()

   line 128 of /mod/forum/user.php: call to forum_get_posts_by_user()