Error in Signing Simplified Invoice

Step-1: Created CSR using below command
fatooraNet csr -sim -csrConfig “C:\Zatca SDK\zatca-einvoicing-sdk-DotNet-238-R3.3.9\Data\Input\csr-config-example-EN.properties” -privateKey “C:\Zatca SDK\zatca-einvoicing-sdk-DotNet-238-R3.3.9\Data\Certificates\myPrivateKey.pem” -generatedCsr “C:\Zatca SDK\zatca-einvoicing-sdk-DotNet-238-R3.3.9\Data\Certificates\myCSR.csr”

Step-2: Executed to get Simulation Compliance CSID and successfully received
requestID, binarySecurityToken, secret

Step-3: Generated Hash using fatooranet generateHash -invoice std_invoice.xml
Step-4: Generated JSON using fatooraNet invoiceRequest -invoice std_invoice.xml –apiRequest std_invoice_json.json
Step-5: Successfully run Compliance Invoice API for
StandardInvoice, StandardCreditNote and StandardDebitNote

Kindly Help me if all above steps are correct to follow in production for Standard Invoices
Pls Note when I m trying to SIGN Simplified Invoices I m getting ERROR:
fatooraNet sign -invoice sim_invoice.xml –signedInvoice sim_invoice_signed.xml
Operation Failed
Step: [Parse Certificate] [Failed]
Errors: [Error] Parsing EInvoice Certificate
Step: [Populate Signed Signature Properties] [Failed]
Errors: [Error] Populating Signed Signature Properties
Step: [Generate EInvoice QR] [Failed]
Errors: [Error] Generating EInvoice QR Code

Below is the Standard xml file

<?xml version="1.0" encoding="UTF-8"?> reporting:1.0 KSADS-123456 5bcb00a1-6c7a-472e-97e0-edb6249d05e3 2025-02-28 02:44:04 388 SAR SAR ICV 1 PIH NWZlY2ViNjZmZmM4NmYzOGQ5NTI3ODZjNmQ2OTZjNzljMmRiYzIzOWRkNGU5MWI0NjcyOWQ3M2EyN2ZiNTdlOQ== 1010010000 Prince Aziz Stree 2322 Al-Murabba Riyadh 23333 SA 311199064400003 VAT Maximum Speed Tech Supply LTD صلاح الدين | Salah Al-Din 1111 المروج | Al-Murooj الرياض | Riyadh 12222 SA 300000776200003 VAT شركة نماذج فاتورة المحدودة | Fatoora Samples LTD 2025-02-28 10 false discount 0.00 S 15 VAT 45.00 45.00 300.00 45.00 S 15.00 VAT 300.00 300.00 345.00 0.00 0.00 345.00 1 1 300.00 45.00 345.00 قلم رصاص S 15.00 VAT 300.00 true discount 0.00

Dear @sohrabus

Thanks for reaching out,

Can I kindly ask you to check and confirm if you are replacing the private key that generated along with the CSR in the following path inside the SDK:
SDK\Java\zatca-einvoicing-sdk-Java-238-R3.3.9\Data\Certificates\ec-secp256k1-priv-key.pem

Please let me know if this will fixed what you are facing.

Thanks,
Ibrahem Daoud.