Change your client code to set credential to the Web service like so.

改变客户端代码，设置一个安全证书(credential)给webservice。

youdao

Therefore, this Code is applicable to both PMI members and individuals who have applied for or received a credential from PMI, regardless of their membership in PMI.

因此，本规范同时适用于PMI会员和申请或获得PMI认证的人士，不论其是否是PMI会员。

youdao

Believe it or not, it is not the correct credential (the key or the code) that actually unlocks a lock!

FORBES: The Kaba Simplex lock is only for "access control": Is that what FDNY Engine Company 65 thought?