phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0a866b6b89c3b1987b3ade91b584e42d' 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 ('0a866b6b89c3b1987b3ade91b584e42d', -1, 1765218275, 1765218275, 'd849d890', 15, 0, 0)

Line : 187
File : sessions.php