phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8dcdabf7386e1f0b7cb3bd3c9a61acfd' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8dcdabf7386e1f0b7cb3bd3c9a61acfd', -1, 1793532523, 1793532523, 'd849d854', 3, 0, 0)

Line : 187
File : sessions.php