phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '95d20f6c306d6cfc6e9b0cf9f19cb499' 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 ('95d20f6c306d6cfc6e9b0cf9f19cb499', -1, 1764148913, 1764148913, 'd849d821', -4, 0, 0)

Line : 187
File : sessions.php