phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1406 Data too long for column 'session_admin' at row 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4c69b14f3f60d5161e5ddd6ec600b99e', -1, 1711720565, 1711720565, '171433a2', 2, 0, 0)

Line : 172
File : sessions.php