errorBuffer:BUILD PROGRAM ERROR - CANNOT VALIDATE DOCUMENTS

Summary: We ran PPR, PPR ran and its in Instalment selection stage and except termination, no other action is available.
Error logs: errorBuffer:BUILD PROGRAM ERROR - CANNOT VALIDATE DOCUMENTS

Content (please ensure you mask any confidential information):

Enter: iby.shared.runFormat.ess.program.FDBuildPayments.callBuildPaymentsAPI()
pprStatusReportJobId::null
Executing BEGIN IBY_DISBURSE_SUBMIT_PUB_PKG.submit_payment_process_request(:1
Successfully executed PL/SQL.
p_return_code :0
p_has_data_processed :true
errorBuffer:BUILD PROGRAM ERROR - CANNOT VALIDATE DOCUMENTS
RetCode:-1
submitSubRequest:N
pprStatus:null
paymentProcessRequestId:305001
Exit
retcode::-1
Enter: iby.shared.runFormat.ess.program.FDBuildPayments.generateNotification
Return Code: -1