A Database Error Occurred

Error Number: 1

Can't create/write to file '/tmp/#sql_43c_1.MYI' (Errcode: 122)

SELECT tbl_quiz.iQuizID, tbl_quiz.vPriceName, tbl_quiz.vPriceBrand, bQuestion, IF(date_format(now(), '%Y-%m-%d') >= date_format(dStartDate, '%Y-%m-%d') AND date_format(now(), '%Y-%m-%d') <= date_format(dEndDate, '%Y-%m-%d'), 1, 0) as expire_quiz FROM ((SELECT * FROM tbl_quiz WHERE tbl_quiz.eDelete = '0' AND tbl_quiz.eStatus = 'Published' ORDER BY iQuizID DESC LIMIT 1) AS tbl_quiz) JOIN (SELECT * FROM tbl_quiz_question WHERE tbl_quiz_question.eDelete = '0' AND tbl_quiz_question.eStatus = 'Published' ORDER BY iQuestionID ASC) as tbl_quiz_question USING (`iQuizID`) GROUP BY `iQuestionID` LIMIT 1