Session &1 aborted on the precalculation server

What causes this issue?

An unexpected error occurred on the precalculation server.

System Response

The workbook that is to be precalculated could not be precalculated.

How to fix this error?

Stop the precalculation server and restart it.

Procedure for System Administrators

For a more detailed analysis, see file PrecalcTrace.txt in directory
Windows\Temp\Analyzer\Traces.

Error message extract from SAP system. Copyright SAP SE.