phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '349b5c4a364c37c2fc7129b106f9b70d' 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 ('349b5c4a364c37c2fc7129b106f9b70d', -1, 1769854772, 1769854772, 'd849d851', -4, 0, 0)

Line : 187
File : sessions.php