This transaction cannot be processed due to an invalid merchant configuration.
Paypal Sandbox Problem: I was getting an error “This transaction cannot be processed due to an invalid merchant configuration.” while trying to use the DoDirectPayment example on the sandbox using the...
View ArticleThe underlying connection was closed: Could not establish trust relationship...
Problem: The underlying connection was closed: Could not establish trust relationship with remote server. Solution: You can solve this in your code by creating your own CertificatePolicy class (which...
View ArticleCertificatePolicy is obsoleted for this type, please use...
Error: ‘System.Net.ServicePointManager.CertificatePolicy’ is obsolete: ‘CertificatePolicy is obsoleted for this type, please use ServerCertificateValidationCallback instead.’...
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