Squashed 'includes/libraries/aihrus-framework/' changes from 6f94520..74add8a

74add8a RESOLVE Fatal error: undefined add_settings_error
bd81207 Revise data deletion description - Thank you Mark

git-subtree-dir: includes/libraries/aihrus-framework
git-subtree-split: 74add8a571177f3c6822ed97ad3173d086fbcd8b
Update aihrus framework