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 ('8dac5f0ab6bd3a4c5cb43f16ac3d9c1c', -1, 1713949348, 1713949348, '0313382d', -2, 0, 0)

Line : 172
File : sessions.php