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Error G400

Paulo Gomes da Cruz Junior edited this page Apr 10, 2026 · 1 revision

Error G400 - Bad Request

What This Means

The information you submitted couldn't be processed because something about it doesn't meet the application's requirements. This usually means there's a problem with the data you entered - it might be incomplete, in the wrong format, or missing required information. Think of it like filling out a form incorrectly, such as entering letters where numbers are expected.

Why This Happens

This error occurs when:

  • Missing required information: You didn't fill in all the required fields marked with an asterisk (*) or labeled as mandatory
  • Invalid format: Information wasn't entered in the expected format (e.g., entering text in a number field, incorrect date format, invalid email address)
  • Out of range values: Numbers that are too high or too low, dates outside acceptable ranges, or text that's too long
  • Invalid selections: Choosing options that conflict with each other or don't make sense together
  • Special characters: Using characters that aren't allowed in certain fields

What You Can Do

  1. Read the error message carefully: The application usually tells you exactly what's wrong - look for messages near the fields that have issues
  2. Check required fields: Make sure you've filled in all fields marked as required (usually indicated with an asterisk *)
  3. Verify your data format:
    • Dates should match the expected format (MM/DD/YYYY or similar)
    • Numbers should only contain digits (and decimals where appropriate)
    • Email addresses should have the @ symbol and a valid domain
  4. Check field length: Some fields have character limits - make sure your text isn't too long
  5. Review your selections: Make sure any dropdown selections or checkboxes make sense together
  6. Remove special characters: If a field doesn't accept symbols or special characters, stick to letters and numbers
  7. Try again: After correcting the issues, resubmit the form

When to Contact Support

You should reach out to the support team if:

  • You believe you've entered all information correctly but still receive this error
  • The error message doesn't clearly explain what's wrong
  • Required fields aren't clearly marked in the form
  • You're getting conflicting requirements (e.g., a field that requires both too much and too little information)
  • The same data worked previously but now generates an error

When contacting support, please provide:

  • What information you were trying to enter or submit
  • Screenshots of the error message and the form you were filling out
  • The exact field(s) that seem to be causing the problem
  • What you expected to happen versus what actually happened

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