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 ('e3167cb85b90388d05103d57dee32de1', -1, 1714098268, 1714098268, '0389dc78', 15, 0, 0)

Line : 172
File : sessions.php