I tried to sign and generate hash and QR using .Net SDK then I sent it to Simulation environment and cleared successfully.
but when tried EInvoiceValidator.ValidateEInvoice method to validate it before sending it I get errors but not clear like below
Validate EN Schematrons => [Error] occurred in validating Schematrons.
Validate KSA Schematrons => [Error] occurred in validating Schematrons.