phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '56fa3468bcb990f1b265e9ee7f2e4ea3' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('56fa3468bcb990f1b265e9ee7f2e4ea3', -1, 1771986290, 1771986290, 'd849d80a', 1, 0, 0)

Line : 187
File : sessions.php