A PHP Error was encountered

Severity: Notice

Message: Undefined index: uid

Filename: controllers/Welcome.php

Line Number: 62

Database Error

A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'group by studio.st_id' at line 1

select user_info.uid,user_info.nickname,user_info.s_province,user_info.s_county,studios.st_id,studio.st_name,studio.logo,studio.banner1,studio.banner2,studio.ban_wen1,studio.ban_wen2,studio.bowen,studio.zhibo,studio.work_nav,studio.work_code,studio.suibi,studio.notice,studio.intro,studio.album,studio.fans,studio.commodity,user_info.head,studio.u_name,user_info.profess from user_info,studios,studio WHERE studio.st_id = user_info.uid AND studio.st_id= group by studio.st_id

Filename: /var/www/html/models/index_model.php

Line Number: 31