MySQL returned error




Error Description :
Error No : 126
Description : Incorrect key file for table '/tmp/#sql_a63f_0.MYI'; try to repair it

SQL Query
SELECT maincategory.* FROM maincategory,user_business WHERE maincategory.id=user_business.maincategory_id AND maincategory.status='Active' AND user_business.country_id='2' AND user_business.county_id='15' AND user_business.status='Active' GROUP BY maincategory.maincat_name