🔴 Error Code 관리

1️⃣ 400_BAD_REQUEST

• 4000 : Invalid request syntax
• 4001: Missing required parameter
• 4002: Malformed parameter
• 4003: Malformed request body
• 4004: Invalid Request
• 4005: client Error

2️⃣ 401_UNAUTHORIZED

• 4010: Missing or invalid authentication credentials
• 4011: Expired or revoked authentication token
• 4012: Insufficient permissions
• 4013: Tampered or malformed token
• 4014: without Ownership

3️⃣ 403_FORBIDDEN