phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c7f3c819e4d65c49543cd9022f251708' 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 ('c7f3c819e4d65c49543cd9022f251708', -1, 1756955071, 1756955071, 'd849d82f', -4, 0, 0)

Line : 187
File : sessions.php