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Numerical errors

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Error codes 4XX

Error codes 400 usually appear when there is an error in the request that prevents our server from processing it.

The most likely causes are:

  • The certificate has not been signed by a recognised authority.
  • The certificate type is not valid for the service you want to access.
  • The certificate has expired.

In the event of an error of this type (except for errors 403 and 404), you can contact technical support in any of these ways, indicating the error code shown and the procedure you were trying to perform: