got the following error while submiting simplified invoice for validation in production. everything was ok in development,simulation and while submitting for compliance check for production . i onboarded the device. but when i start signing and validating b2c invoice iam getting this error.
i am using flutter windows for my application
2025-09-12 11:11:10,737 [INFO] ValidationProcessorImpl - [XSD] validation result : PASSED
2025-09-12 11:11:11,473 [INFO] ValidationProcessorImpl - [EN] validation result : PASSED
2025-09-12 11:11:11,663 [INFO] ValidationProcessorImpl - [KSA] validation result : PASSED
2025-09-12 11:11:12,037 [INFO] ValidationProcessorImpl - [QR] validation result : PASSED
2025-09-12 11:11:12,065 [ERROR] ECDSAUtil - Curve not supported: secp256k1 (1.3.132.0.10)
2025-09-12 11:11:12,167 [INFO] ValidationProcessorImpl - [SIGNATURE] validation result : FAILED
2025-09-12 11:11:12,167 [ERROR] ValidationProcessorImpl - signature validation errors :
2025-09-12 11:11:12,167 [ERROR] ValidationProcessorImpl - CODE : signatureValue, MESSAGE : wrong signature Value
2025-09-12 11:11:12,175 [INFO] ValidationProcessorImpl - [PIH] validation result : PASSED
2025-09-12 11:11:12,175 [INFO] InvoiceValidationService - *** GLOBAL VALIDATION RESULT = FAILED
[log] e[38;5;32m RESPONSE STATUS: FAILURE
[log] e[31m ZATCA/Fatoora Execution Failed (3):
[log] e[31m ZATCA/Fatoora ECDSAUtil: Curve not supported: secp256k1 (1.3.132.0.10)
[log] e[31m ZATCA/Fatoora ValidationProcessorImpl: signature validation errors :
[log] e[31m ZATCA/Fatoora ValidationProcessorImpl: CODE : signatureValue, MESSAGE : wrong signature Value