Error from already run metrics

[debboutr]

this error appears when running metrics in the control table that have already been run

KeyError: "None of [
    Index([('W', 's', 'A', 'r', 'e', 'a', 'S', 'q', 'K', 'm'), ('W', 's', 'A', 'r', 'e', 'a', 'S', 'q', 'K', 'm')]
    , dtype='object')] 
are in the [index]"”

catch this and printout a useful message to the user

[debboutr]

closed in #91