phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '34f197ffdeeb03f6ba327f20b83f2b85' 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 ('34f197ffdeeb03f6ba327f20b83f2b85', -1, 1769344577, 1769344577, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php