Bright Data Common Errors Overview Diagnostic reference for the most common Bright Data proxy and API errors with real solutions and fix commands. Prerequisites - Bright Data zone configured - Proxy credentials available - Access to error logs Instructions Step 1: Identify the Error Check your proxy response status code or error message against the table below. Step 2: Apply the Fix Follow the specific solution for your error code. Error Reference 407 Proxy Authentication Required Cause: Username format is wrong or credentials are invalid. Fix: --- 502 Bad Gateway Cause: Target site blocked t…