Troubleshooting

No data

If you are seeing empty results or errors, the most common issue is missing or incorrect authorization.

Go to Headers and confirm your token is present in the correct format.

Visit Add your API token for more information.

Common problems and fixes

401 (Unauthorised)

Meaning: Apollo did not accept your token.
Fix:

• Re-paste the token
• Check the header name and format ( make sure the Bearer is included)
• Generate a fresh token if needed

403 (Forbidden)

Meaning: Your token is valid, but you do not have permission for that data.
Fix:

• Try a query for a product area you do have access to
• If you believe you should have access, contact your admin/support team

400 (Bad Request)

Meaning: The query or variables are not in the right shape.
Fix:

• Undo your last change
• Check the Variables panel for missing required values
• Start again from the saved query

data is null or you get an empty list

Meaning: Usually access, no matching records, or the wrong ID/value.
Fix:

• Try a simpler query from the collection
• Double check the ID or date range you entered
• Confirm the product is enabled and has data

MAX_HEIGHT_LIMIT, MAX_DEPTH_LIMIT, and MAX_ALIASES_LIMIT errors

Meaning: These errors indicate that your GraphQL operation exceeds system limits for height, depth, or alias count.

Fix: Contained in the Why do I see MAX_HEIGHT_LIMIT, MAX_DEPTH_LIMIT, and MAX_ALIASES_LIMIT errors? section.