diff --git a/data/sql/updates/pending_db_world/rev_1570916858306186295.sql b/data/sql/updates/pending_db_world/rev_1570916858306186295.sql
new file mode 100644
index 000000000..290d2b312
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_1570916858306186295.sql
@@ -0,0 +1,6 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1570916858306186295');
+
+DELETE FROM `trinity_string` WHERE `entry` = 30080;
+INSERT INTO `trinity_string` (`entry`, `content_default`, `content_loc1`, `content_loc2`, `content_loc3`, `content_loc4`, `content_loc5`, `content_loc6`, `content_loc7`, `content_loc8`)
+VALUES
+(30080,'The file ''opcode.txt'' is missing in the server working directory.',NULL,NULL,NULL,NULL,NULL,NULL,NULL,'Файл ''opcode.txt'' не найден в рабочей директории сервера');
diff --git a/src/server/game/Miscellaneous/Language.h b/src/server/game/Miscellaneous/Language.h
index 99d1b7010..3b4438739 100644
--- a/src/server/game/Miscellaneous/Language.h
+++ b/src/server/game/Miscellaneous/Language.h
@@ -1312,6 +1312,8 @@ enum TrinityStrings
     // Instant Flight
     LANG_TOGGLE_INSTANT_FLIGHT                    = 30077,
     LANG_INSTANT_FLIGHT_ON                        = 30078,
-    LANG_INSTANT_FLIGHT_OFF                       = 30079
+    LANG_INSTANT_FLIGHT_OFF                       = 30079,
+
+    LANG_DEBUG_OPCODE_FILE_MISSING                = 30080
 };
 #endif
diff --git a/src/server/scripts/Commands/cs_debug.cpp b/src/server/scripts/Commands/cs_debug.cpp
index bac6d9f8d..54780b9dc 100644
--- a/src/server/scripts/Commands/cs_debug.cpp
+++ b/src/server/scripts/Commands/cs_debug.cpp
@@ -250,8 +250,12 @@ public:
             unit = player;
 
         std::ifstream ifs("opcode.txt");
-        if (ifs.bad())
+        if (!ifs.is_open())
+        {
+            handler->SendSysMessage(LANG_DEBUG_OPCODE_FILE_MISSING);
+            handler->SetSentErrorMessage(true);
             return false;
+        }
 
         // remove comments from file
         std::stringstream parsedStream;