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 ('fa1e7dd1e0a797c4f65a016c17b5acb3', -1, 1711702316, 1711702316, '03e7d9d1', -4, 0, 0)

Line : 172
File : sessions.php