This page handle the issue when you try to load current results or compute function points and load results from TCC, and you get the below displayed error.
Internal error while running data functions. Internal exceptions null.
Observed in CAST AIP
Observed on RDBMS
Microsoft SQL Server
Step by Step scenario
Run analysis and take a snapshot
Load current results or compute function points and load results from TCC
Get the step from where the exception occur, for this you can check the TCC log file (please refer the following page in order to locate the TCC log fileCAST Management Studio - Information - How to find logs), you can also observe this directly under the log node of TCC GUI: From this we can see that the issue occurs in the step "Loading data function detail", if this is you case then go to the next step, else jump the next step
Sherlock export with the following options: Export Logs (feature checked by default), Export Configuration files (feature checked by default), Export Computer Environment (feature checked by default),Export CAST Bases