phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cda27e2ed7a107f4a3649c6f07f8c437' 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 ('cda27e2ed7a107f4a3649c6f07f8c437', -1, 1762155768, 1762155768, 'd849d887', 2, 0, 0)

Line : 187
File : sessions.php