phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7ca378d2463015420ee204b6ba0fa065' 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 ('7ca378d2463015420ee204b6ba0fa065', -1, 1769848655, 1769848655, 'd849d89f', -9, 0, 0)

Line : 187
File : sessions.php