phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ca6dc742c4e912a31cd2b1a7d8be6f42' 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 ('ca6dc742c4e912a31cd2b1a7d8be6f42', -1, 1790000349, 1790000349, '00000000', -4, 0, 0)

Line : 187
File : sessions.php