They changed the "required" switch from "mandatory" to "required" in recent versions of Webform. The following change in _webform_render_cc_email() will support both:

'#required' => isset($component['required']) ? $component['required'] : $component['mandatory'],

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attheshow’s picture

attheshow CreditAttribution: attheshow commented
Status: Active » Fixed

  • Commit e2f158d on 7.x-1.x by attheshow: 
    #2169301: Fix for required change in Webform 4.

Status: Fixed » Closed (fixed)

Automatically closed - issue fixed for 2 weeks with no activity.