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 ('0f05179fd9c95935987f491c8ee61b46', -1, 1711666966, 1711666966, '2cdd2b58', -1, 0, 0)

Line : 172
File : sessions.php