「user info : _doQuery: [Error message: Could not execute statement] [Last executed query: PREPARE mdb2_statement_mysql_100a40fe1b0ed04e1e08c24687c2876414df5b49b FROM Object id #12] [Native code: 1064] [Native message: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'Object id #12' at line 1] 」「message : MDB2 Error: syntax error」「SELECT category_id FROM ns_category WHERE category_parent = ? AND category_taxonomy = ? 」プリペアドステートメントを構築できません