phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '855a1482c9c59e09a8f4f836ed0dec7c' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('855a1482c9c59e09a8f4f836ed0dec7c', -1, 1715191680, 1715191680, '0390bdb1', -8, 0, 0)

Line : 187
File : sessions.php