Error is an indication that the request to tokenize credit card failed because the connector does not support tokenization.
A 64006 Error is an indication that the request to tokenize of a particular type is not supported by the <Pay> connector. For instance, tokenType="one-time" was used but only tokenType="reusable" is supported.
Possible Causes
The paymentConnector attribute points to a Connector that does not support the requested type of tokenization.
Possible Solutions
Make sure that the paymentConnector matches a <Pay> Connector that supports the tokenization type you want.
Make sure you specify the tokenType that matches what you want to perform.