phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0ab7e2f680590ad3a4474940729c11f4' 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 ('0ab7e2f680590ad3a4474940729c11f4', -1, 1773276686, 1773276686, 'd849d894', 18, 0, 0)

Line : 187
File : sessions.php