PDF tools plugin while adding gives error

Certified Associate Developer

Hi all,

I am trying to add plugin "PDF Tools" to admin console page in 20.2 version.  It gives the following error:

HTTP Code: 500 APNX-1-4198-019 An Error Has Occurred Expression evaluation error [evaluation ID = WZ90NEDF] : An error occurred while executing a save: java.util.UnknownFormatConversionException: Conversion = 'D'

Why am I getting this error?  How to resolve it?

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