phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6aaad631ad92dc171ba4d3f9c8a92eec' 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 ('6aaad631ad92dc171ba4d3f9c8a92eec', -1, 1765986292, 1765986292, 'd849d88f', -9, 0, 0)

Line : 187
File : sessions.php