Change the line 7169 of /lib/tikilib.php for :
if ($prefs'feature_user_watches' == 'y' && ($prefs'wiki_watch_minor' != 'n' || $minor != true)) {
This was fixed in r14411 by Sylvie Greverend. All current versions are fixed.
The public/private keys configured to connect to show2.tiki.org were not accepted. Please make sure you are using RSA keys. Thanks.
The public/private keys configured to connect to show.tikiwiki.org were not accepted. Please make sure you are using RSA keys. Thanks.