phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8d6a1886003d2c01d88756b0aefb23c2' 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 ('8d6a1886003d2c01d88756b0aefb23c2', -1, 1741080792, 1741080792, '0390f31e', 0, 0, 0)

Line : 187
File : sessions.php