phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5b7c52b28a9744af8ef019fe5f4b6a90' 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 ('5b7c52b28a9744af8ef019fe5f4b6a90', -1, 1772280082, 1772280082, 'd849d83e', -10, 0, 0)

Line : 187
File : sessions.php