Latitude & Longitude Drivetime and Distance Query - Sample

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When I attempted to run this workflow, I got the following error message. The full sequence of events was: 1- drag and drop the workflow and saved to my local folder. 2- entered my TomTom key. 3-executed the workflow and it worked. 4-updated my KNIME to 4.6.0 and repeated steps 1, 2, & 3 and got this error message. I have no idea what it means. Can you help me? Thank you. Buddy
ERROR GET Request 5:0:0:12 Execute failed: Could not initialize class org.knime.core.util.ThreadLocalHTTPAuthenticator