phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7c9fab31b99db184ec88a0fa75e594dd' 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 ('7c9fab31b99db184ec88a0fa75e594dd', -1, 1714259474, 1714259474, '0315e7f5', -8, 0, 0)

Line : 187
File : sessions.php