From 10ef39d1e3212714fa16d3ee70a70ace0129a1ab Mon Sep 17 00:00:00 2001
From: Seris02 <littlenebulae421@gmail.com>
Date: Fri, 24 Jan 2020 16:33:20 +0800
Subject: [PATCH] maybe it'll work

---
 code/modules/admin/topic.dm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/code/modules/admin/topic.dm b/code/modules/admin/topic.dm
index c66927b856..bac83c42ff 100644
--- a/code/modules/admin/topic.dm
+++ b/code/modules/admin/topic.dm
@@ -2878,6 +2878,8 @@
 			return
 	if(SSdbcore.Connect())
 		var/datum/DBQuery/query_get_mentor = SSdbcore.NewQuery("SELECT id FROM [format_table_name("mentor")] WHERE ckey = '[ckey]'")
+		if(!query_get_mentor.warn_execute())
+			return
 		if(query_get_mentor.NextRow())
 			to_chat(usr, "<span class='danger'>[ckey] is already a mentor.</span>")
 			return