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-rw-r--r--include/identity.php5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/identity.php b/include/identity.php
index c25a3da43..c8a925dac 100644
--- a/include/identity.php
+++ b/include/identity.php
@@ -177,6 +177,11 @@ function create_identity($arr) {
return $ret;
}
+ if($nick === 'sys' && (! ($pageflags & PAGE_SYSTEM))) {
+ $ret['message'] = t('Reserved nickname. Please choose another.');
+ return $ret;
+ }
+
if(check_webbie(array($nick)) !== $nick) {
$ret['message'] = t('Nickname has unsupported characters or is already being used on this site.');
return $ret;