phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '20da92d4b80adbd98866e2b9f4b8d5ea' 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 ('20da92d4b80adbd98866e2b9f4b8d5ea', -1, 1765765777, 1765765777, 'd849d888', -9, 0, 0)

Line : 187
File : sessions.php