phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fa2863c6f709b851d50b613835147864' 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 ('fa2863c6f709b851d50b613835147864', -1, 1757770819, 1757770819, 'd849d863', 8, 0, 0)

Line : 187
File : sessions.php