what the meaning of system error?

When I process the Calculate Protein Formulation Properties, Predict Excipient Interactions and Calculate Aggregation Scores, the job shows system error, does something wrong in Pipeline Pilot sever, and how can I fix this mistake??
The error information is as follows:
22-May-2023 10:23:30

HTTP request 'https://localhost:9982/jobs/844182B0-3674-4E3B-B46C-ED124DE3E055/results' to server 'localhost' failed. 500 - Internal Server Error

HTTP Response body:


Error:

The job's server process halted unexpectedly


CHttp::CheckResponseHeaderAsync: Pipeline Pilot exception rethrown

CHttp::internalOpen: Pipeline Pilot exception rethrown

CHttp::OpenEx: Pipeline Pilot exception rethrown

CRestHandler::InternalExecuteRestCall: Pipeline Pilot exception rethrown

CRestHandler::ExecuteRestCall (verb): Pipeline Pilot exception rethrown

CRestHandler::ExecuteRestCall (Hierarchical): Pipeline Pilot exception rethrown