phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f8cb2262a9916c5dab4a9822a18754f8' 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 ('f8cb2262a9916c5dab4a9822a18754f8', -1, 1765656901, 1765656901, 'd849d836', -4, 0, 0)

Line : 187
File : sessions.php