This is Because you do not have a valid Security Certificate .
這是因為您沒有一個有效的安全性證書。
It either provides information or facilitates a change to business data from one valid and consistent state to another.
它提供信息或簡化業務數據從一個有效的、一致的狀態向另一個狀態的轉變。
The user name should consist of alphanumeric characters and be a valid structure for all systems within an organization so that each person only has one user name.
用戶名應該由字母數字字符組成，并且對于組織內部所有的系統都應該是有效的結構，以便每個人只使用一個用戶名。
She had valid reasons for not supporting the proposals.
她有充分的理由不支持這些建議。
They have a valid claim to compensation.
他們有要求賠償的合法權利。