phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '56840c9f64d64fddc856d923b62d9cc9' 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 ('56840c9f64d64fddc856d923b62d9cc9', -1, 1713935014, 1713935014, '03856dd3', 34, 0, 0)

Line : 187
File : sessions.php