After installing

Hi,

I’ve just activated this plug-in on a stage side and get a lot of warnings:
How to resolve?

Warning: Trying to access array offset on value of type bool in /var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customizer-external-links-initiate.php on line 91

Warning: Trying to access array offset on value of type bool in?/var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customize-external-links-form.php?on line?107
?None

Warning: Trying to access array offset on value of type bool in /var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customize-external-links-form.php on line 107
  Icon by Fontawesome

Warning: Trying to access array offset on value of type bool in /var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customize-external-links-form.php on line 107
  Icon by Fontawesome

Warning: Trying to access array offset on value of type bool in /var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customize-external-links-form.php on line 107
 ↗ (recommened)

Warning: Trying to access array offset on value of type bool in /var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customize-external-links-form.php on line 107
 ?

Warning: Trying to access array offset on value of type bool in /var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customize-external-links-form.php on line 107
 ?

Warning: Trying to access array offset on value of type bool in /var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customize-external-links-form.php on line 107
 manual
Superscript IconAdd additional CSS Class (span) for Icon
Warning: Trying to access array offset on value of type bool in /var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customize-external-links-form.php on line 17
Add manual text / Icon (i.e. external)
Warning: Trying to access array offset on value of type bool in /var/www/vhosts/sunpage.nl/stage.sunpage.nl/he/wp-content/plugins/customize-external-links-and-add-icon/customize-external-links-form.php on line 10

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