phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c963283f853c41b9778e315ae5ae8b10' 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 ('c963283f853c41b9778e315ae5ae8b10', -1, 1763502396, 1763502396, 'd849d830', -9, 0, 0)

Line : 187
File : sessions.php