phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '20ddcd7b443afcf58c34f7a4a3f095c0' 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 ('20ddcd7b443afcf58c34f7a4a3f095c0', -1, 1752317683, 1752317683, 'd849d8bc', 15, 0, 0)

Line : 187
File : sessions.php