phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '231b10f6007c348e552ca270b29d307b' 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 ('231b10f6007c348e552ca270b29d307b', -1, 1794676395, 1794676395, 'd849d9a2', 1, 0, 0)

Line : 187
File : sessions.php