phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b8b3b2a7882260c4eaf8aee086d90c74' 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 ('b8b3b2a7882260c4eaf8aee086d90c74', -1, 1770822130, 1770822130, 'd849d853', -9, 0, 0)

Line : 187
File : sessions.php