Cannot install Extensions - see error detail below, how can this be fixed? I teach a data analyti...

An error occurred while collecting items to be installed

session context was:(profile=KNIMEProfile, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).

Problems downloading artifact: osgi.bundle,com.exorbyte.knime.matchmaker.toolbox.impl,1.1.0.

SHA-256 hash is not as expected. Expected: 407323d6055405c5275e29f8e3d22da9419a34c06712403173dd11f581407c4c and found de9d68f4a948c5568874a9d9a8ea07e7bdb75efe5f82108788c873da87c47498.

Problems downloading artifact: org.eclipse.update.feature,com.exorbyte.knime.matchmaker.toolbox.feature,1.1.0.

SHA-256 hash is not as expected. Expected: 2bba688ddf0fbafc84c07730d4000c07322da3faf11a22b7a3b3567adc8f5b0f and found 2b4e62788585166142e23bc6cedb679ca6e296dc787e7c0156716164f7efdab4.