修正

modules/make_thread.php

@@ -17,7 +17,7 @@ if (!(empty ($_POST['thread-name'])))
 
     $result -> close ();
 
-    $sql = "INSERT INTO threads (id, title, `explain`, latest, length) VALUES ($current, '{$_POST['thread-name']}', '$explain', '" . date ('Y-m-d H:i:s') . "', 0)";
+    $sql = "INSERT INTO threads (title, `explain`, latest, length) VALUES ('{$_POST['thread-name']}', '$explain', '" . date ('Y-m-d H:i:s') . "', 0)";
     $mysqli -> query ($sql);
 /*  $sql = "CREATE TABLE `miteruzo_bbs`.`thread_$current` (
             `id` INT( 11 ) NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'レス番',