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 ('155fbc0d6b563c9b71042990973d80b7', -1, 1711670051, 1711670051, '035b0817', -10, 0, 0)

Line : 172
File : sessions.php