phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'caa14fee2570d30ef1a62b069fa43d8e' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('caa14fee2570d30ef1a62b069fa43d8e', -1, 1768024692, 1768024692, 'd849d887', -9, 0, 0)

Line : 187
File : sessions.php