production mode has no problem but sandbox not working for getCompatibilityProperties and getCompatibilityPropertyValues
{
<span class="">"errorId"</span><span>: </span><span>62000</span><span>,</span> <span class="">"domain"</span><span>: </span><span>"API_TAXONOMY"</span><span>,</span> <span class="">"category"</span><span>: </span><span>"APPLICATION"</span><span>,</span> <span class="">"message"</span><span>: </span><span>"There was a problem with an eBay internal system or process. Contact eBay developer support for assistance."</span>
}