Troubleshoot errors related to downloads

This section covers errors that occur while downloading the feed file.

They are related to file availability, network connectivity, server responses, pagination, or feed size.

These errors often indicate that the feed cannot be reached, does not exist at import time, or fails during transfer.

Error code

Error message

Potential reason

How to fix it

RemoteFileNotFound

Remote file does not exist

Feed file missing at import time

Ensure the feed file is uploaded before the scheduled import.

RemoteFileNotExists

File not found (404)

Incorrect file path or filename

Verify the exact path and filename (including case sensitivity).

DownloadConfigurationError

Invalid download configuration

Feed format or configuration mismatch

Check that the feed format (CSV/XML/JSON) matches the configuration.

DownloadError

Generic download failure

Feed URL invalid or unreachable

Test the feed URL manually and ensure it returns a file.

VlookupDownloadError

Vlookup file not found or inaccessible

One or more configured vlookup (lookup) files are missing or not accessible at import time

Ensure all required vlookup files are present in your Criteo FTP directory and named exactly as expected.

RemoteServiceUnavailable

Service unavailable (503)

Temporary server outage

Retry later or contact your hosting provider if the issue persists.

FeedTooSmall

Feed is too small

Feed is empty or truncated

Open the feed URL and ensure it contains valid product data.

CurleOperationTimedout

Download timed out

Slow or unstable server

Improve server response time or reduce feed size.

OtherHttpError

HTTP error (4xx / 5xx)

Server‑side error

Fix the HTTP error returned by your server.

GatewayTimeout

Gateway timeout (504)

Feed server takes too long to respond when downloading the file

Optimize your server performance or split the feed into smaller pieces and use the multipage feature to reduce download time.

MultipageDownloadError

Multipage download inconsistency

One or more pages failed to download

Ensure all feed pages are accessible and consistent.

MultipageUrlNoPlaceHolder

Pagination placeholder missing

Paginated feed not correctly configured

Add the required pagination placeholder {0} to the feed URL.

CantDetectFileFormat

File format not recognized

Unsupported or corrupted file

Upload a valid CSV, XML, or JSON file.

InvalidGzipFormat

Invalid gzip file

File is not actually compressed

Upload a valid gzip file or disable gzip in the configuration.

SslConnectError

SSL/TLS connection error

Invalid SSL certificate

Ensure the SSL certificate is valid and up‑to‑date.