phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dcc2f151e210bbcc73732e4db2aea464' 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 ('dcc2f151e210bbcc73732e4db2aea464', -1, 1757964655, 1757964655, 'd849d860', -4, 0, 0)

Line : 187
File : sessions.php