phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8cdcd656e6e2bf80d8e250617d0b0b42' 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 ('8cdcd656e6e2bf80d8e250617d0b0b42', -1, 1763385204, 1763385204, 'd849d879', -4, 0, 0)

Line : 187
File : sessions.php