phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bc95f4c1cff6ddcdfc919d0ab2b6be80' 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 ('bc95f4c1cff6ddcdfc919d0ab2b6be80', -1, 1769960714, 1769960714, 'd849d837', -9, 0, 0)

Line : 187
File : sessions.php