How to resolve the java.lang.UnsupportedClassVersionError in taskomatic logs for Satellite 5?

Solution Verified - Updated -

Issue

After upgrade from Satellite 5.7 to Satellite 5.8 taskomatic is generating errors like:

java.lang.UnsupportedClassVersionError: com/redhat/rhn/branding/strings/StringPackage : Unsupported major.minor version 52.0

Environment

Satellite 5.8

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