I am not seeing a search box appear anywhere after clicking on the gear icon (settings).. I am thinking perhaps you have a different type of PayPal account than I have. I do have an option to "upgrade to a business account" but I don't want to get trapped with more complicated PayPal crap and I am able to print shipping labels just fine now so... Anyway, I am happy you figured it out on your end and yeah what a total clusterf_ck that they hide this information in some obscure place!
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