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-rw-r--r--phpBB/includes/acp/acp_forums.php7
1 files changed, 7 insertions, 0 deletions
diff --git a/phpBB/includes/acp/acp_forums.php b/phpBB/includes/acp/acp_forums.php
index ced09a4708..96f7a15255 100644
--- a/phpBB/includes/acp/acp_forums.php
+++ b/phpBB/includes/acp/acp_forums.php
@@ -991,6 +991,13 @@ class acp_forums
if ($row['forum_type'] == FORUM_POST && $row['forum_type'] != $forum_data_sql['forum_type'])
{
+ // Has subforums and want to change into a link?
+ if ($row['right_id'] - $row['left_id'] > 1 && $forum_data_sql['forum_type'] == FORUM_LINK)
+ {
+ $errors[] = $user->lang['FORUM_WITH_SUBFORUMS_NOT_TO_LINK'];
+ return $errors;
+ }
+
// we're turning a postable forum into a non-postable forum
if ($forum_data_sql['type_action'] == 'move')
{