phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0d81a6b1b883416de9d03c78dde90c83' 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 ('0d81a6b1b883416de9d03c78dde90c83', -1, 1763820779, 1763820779, 'd849d87e', -9, 0, 0)

Line : 187
File : sessions.php