SYMPTOM:
In Strategy 9.4.1 Hotfix 3 to Hotfix 6, “System Error 0x80004003 (2147500035): --- Invalid pointer” error occurs when running an incremental refresh report as shown below:

Entries similar to the following can be found in the DSSErrors.log:
Contract Request Succeeded: Source=TabularData, Handle=1462, Size=75866112, ContractedTotal=81137664, AvailableTotal=5052377599 System Error 0x80004003 (2147500035): --- Invalid pointer (SQL Generation CompleteQuery Execution CompleteAnalytical Engine Execution CompleteSystem Error 0x80004003 (2147500035): --- Invalid pointerError in Process method of Component: QueryEngineServer, Project MC_DES, Job 97, Error Code= -2147467261.)