phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f9968911852c20ce7aa8991ed244862c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f9968911852c20ce7aa8991ed244862c', -1, 1715272384, 1715272384, '12dc8c05', -4, 0, 0)

Line : 187
File : sessions.php