phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a775817eddcd00914c9486060ba178d3' 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 ('a775817eddcd00914c9486060ba178d3', -1, 1763330048, 1763330048, '12610e53', 7, 0, 0)

Line : 187
File : sessions.php