FaultCode: {http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd}FailedCheck
FaultString: KDCGF0006-E A signature or decryption was invalid. (location = the-location-where-the-event-occurred)
FaultActor: None
FaultDetails: None

(Meaning)

A signature or encryption in the-location-where-the-event-occurred is invalid. The following information is output to the-location-where-the-event-occurred:

• Server: An error occurred in a message received at server side.
• Client: An error occurred in a message received on the client side.

(Cause)

The error might be due to one of the following causes:

• A received SOAP message has an invalid signature.
• A received SOAP message is incorrectly encrypted.

(Action)

Check with the sender of the message to see whether the sender has sent a SOAP message containing one of the errors indicated in Cause.