phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fcad3fc7f72e1cc1464b81938e441cb6' 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 ('fcad3fc7f72e1cc1464b81938e441cb6', -1, 1762655040, 1762655040, 'd849d817', -2, 0, 0)

Line : 187
File : sessions.php