phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6f6ff9b2c6f9780a2ea603a40d33abe6' 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 ('6f6ff9b2c6f9780a2ea603a40d33abe6', -1, 1761066813, 1761066813, 'd849d81d', -4, 0, 0)

Line : 187
File : sessions.php