Broken XML file

Dear Gents,
I have upgraded my knime version to 3.7.1…I got this error message…

Any help please


*** Welcome to KNIME Analytics Platform v3.7.1.v201901281154 ***
*** Copyright by KNIME AG, Zurich, Switzerland ***


Log file is located at: C:\knime-workspace.metadata\knime\knime.log
WARN NewReleaseMessageInjector Could not modify intro page: connect timed out
ERROR LambdaNodeFactory Broken XML file for node description of de.seqan.knime.nodes.Lambda.LambdaNodeFactory: Element or attribute do not match QName production: QName::=(NCName’:’)?NCName.
ERROR LambdaIndexerNodeFactory Broken XML file for node description of de.seqan.knime.nodes.LambdaIndexer.LambdaIndexerNodeFactory: Element or attribute do not match QName production: QName::=(NCName’:’)?NCName.