phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b5da3c6e9f1d524cf8bf179b5909bffe' 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 ('b5da3c6e9f1d524cf8bf179b5909bffe', -1, 1778777148, 1778777148, 'd849d973', 1, 0, 0)

Line : 187
File : sessions.php