Just created a new square app in the square dashboard, gone to my site and installed the square extension and I am trying to connect to square but keep receiving this error.
"Notice: Undefined index: access_token in /homepages/1/d780133872/htdocs/P2A/admin/controller/extension/payment/squareup.php on line 633Warning: Cannot modify header information - headers already sent by (output started at /homepages/1/d780133872/htdocs/P2A/admin/controller/startup/error.php:34) in /homepages/1/d780133872/htdocs/P2A/system/library/response.php on line 36"
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Opencart.com Administrator / Quality Assurance Analyst / Programmer