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Using tFileUnarchive to unzip password protected zip file

I am using tFileUnarchive to unzip a password protected zip file. One can click on the "Need Password" check button and supply a password as a string in the Basic Settings. But when I do this I get the following error: encrypted ZIP entry not supported
at Source)
at Source)
at demo.testdecompress_0_1.testDecompress.tFileUnarchive_1Process(
at demo.testdecompress_0_1.testDecompress.runJobInTOS(
at demo.testdecompress_0_1.testDecompress.main(
Any Ideas as to what is missing? Is there something more I need to do to unzip the file? Thanks.