Support » Plugin: Collapsing Categories » WP debug error “Trying to access array offset on value of type null”

  • Boris

    (@ispacecrusader)


    Hi,
    when I activate WP debug, I see a list of errors in my sidebar where Collapsing Categories is active:

    NOTICE: TRYING TO ACCESS ARRAY OFFSET ON VALUE OF TYPE NULL IN …. COLLAPSTCATLIST.PHP ON LINE 225

    If I switch off debug it still works fine, but from some research I did online I surmise that it is a programming error that newer PHP versions no longer accept, and therefore report to debug.

    Can this be fixed?

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