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 ('3f2e3f19315e1a4a6c3f97ea0b8cb8cd', -1, 1713951871, 1713951871, '038df4c9', 16, 0, 0)

Line : 172
File : sessions.php