401{"error":"locked_user","error_description":"Locked user credentials"}exception 'PayPal\Exception\PayPalConnectionException' with message 'Got Http response code 401 when accessing https://api.paypal.com/v1/oauth2/token.' in /home/secgroup/public_html/PayPal-PHP-SDK/paypal/rest-api-sdk-php/lib/PayPal/Core/PayPalHttpConnection.php:202 Stack trace: #0 /home/secgroup/public_html/PayPal-PHP-SDK/paypal/rest-api-sdk-php/lib/PayPal/Auth/OAuthTokenCredential.php(246): PayPal\Core\PayPalHttpConnection->execute('grant_type=clie...') #1 /home/secgroup/public_html/PayPal-PHP-SDK/paypal/rest-api-sdk-php/lib/PayPal/Auth/OAuthTokenCredential.php(271): PayPal\Auth\OAuthTokenCredential->getToken(Array, 'ATTxpRsl02MRGqA...', 'EAvS40P3smzLKC-...', 'grant_type=clie...') #2 /home/secgroup/public_html/PayPal-PHP-SDK/paypal/rest-api-sdk-php/lib/PayPal/Auth/OAuthTokenCredential.php(210): PayPal\Auth\OAuthTokenCredential->generateAccessToken(Array, NULL) #3 /home/secgroup/public_html/PayPal-PHP-SDK/paypal/rest-api-sdk-php/lib/PayPal/Auth/OAuthTokenCredential.php(160): PayPal\Auth\OAuthTokenCredential->updateAccessToken(Array) #4 /home/secgroup/public_html/PayPal-PHP-SDK/paypal/rest-api-sdk-php/lib/PayPal/Handler/RestHandler.php(82): PayPal\Auth\OAuthTokenCredential->getAccessToken(Array) #5 /home/secgroup/public_html/PayPal-PHP-SDK/paypal/rest-api-sdk-php/lib/PayPal/Transport/PayPalRestCall.php(75): PayPal\Handler\RestHandler->handle(Object(PayPal\Core\PayPalHttpConfig), '{"intent":"sale...', Array) #6 /home/secgroup/public_html/PayPal-PHP-SDK/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalResourceModel.php(104): PayPal\Transport\PayPalRestCall->execute(Array, '/v1/payments/pa...', 'POST', '{"intent":"sale...', NULL) #7 /home/secgroup/public_html/PayPal-PHP-SDK/paypal/rest-api-sdk-php/lib/PayPal/Api/Payment.php(577): PayPal\Common\PayPalResourceModel::executeCall('/v1/payments/pa...', 'POST', '{"intent":"sale...', NULL, Object(PayPal\Rest\ApiContext), NULL) #8 /home/secgroup/public_html/CopyAlertBuy.php(86): PayPal\Api\Payment->create(Object(PayPal\Rest\ApiContext)) #9 {main}