E2106 - Could not find file taxpayerCSRbase64Encoded.txt

Dear all,

I’m experiencing an issue when trying to Onboard Oracle Micros Simphony POS with ZATCA sandbox portal using oracle connector, does anyone experienced the same? What i want is to test the B2C integration with ZATCA developer API endpoints. Attached is the error i am getting when opting for onboard in the POS: