KM index Error when index Contract document
We have ESourcing and Portal. The KM is configured to display the contract document through the KM folder ESourcing.
We have created the 3 indexes:
Some of the documents could be indexed (very little no. of docs could be index) while other documents had error.
From the Portal, a lot of the documents had such error :
Document ID Return Code Return Message Document Status Action Retry Count
/Esourcing/-2147483548/-2147483548/1818/-2147379219 6500 HTTP Status Code 500: Internal Server Error Preparation Failed Index 3
Any assistance would be appreciated.