phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fb5a68644851af8a11845c1938e9f6e9' 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 ('fb5a68644851af8a11845c1938e9f6e9', -1, 1756919917, 1756919917, 'd849d865', -9, 0, 0)

Line : 187
File : sessions.php