Impossible Activities Options

[Huecuvoe]

In my learning experience with Activity Generator I noticed that AG sometimes generates activities that are impossible to complete. Using a template for the L&PS I generated a simple switching activity. The options used were:

Source Track: CN Interchange

Work Tracks: 1 Region - London (the CN Interchange is in this region).

Final Destination: L Track 4 - E London

"Allow pickups from source tracks in one region to be set out in that same region."

AG generated the following work order:

CODE

Activity created by Activity Generator Version 4.2.11
REGION------------TRACK NAME-----------------WORK----CONSIST-CAR#-CAR DESCRIPTION-----TYPE-NOTES/INSTRUCTIONS-----------

London            CN Interchange             PICKUP  32783   0    MNA3240-XM          XM   DEST: L Track 4              
London            CN Interchange             PICKUP  32783   1    NP47919-XM          XM   DEST: L Track 4              
London            CN Interchange             PICKUP  32783   2    LPS200-FMlumber     FMlu DEST: L Track 4              
London            CN Interchange             PICKUP  32783   3    ACD28753-VA         VA   DEST: L Track 4              
London            CN Interchange             PICKUP  32783   4    SPS2003-XM          XM   DEST: L Track 4              

London            L Freight Shed 1           PICKUP  32781   0    LPS3-XM             XM   DEST: L Track 4              

London            L Freight Shed 2           PICKUP  32782   0    GN25096-XM          XM   DEST: L Track 4              
London            L Freight Shed 2           PICKUP  32782   3    LPS5-XM             XM   DEST: L Track 4              
London            L Freight Shed 2           SETOUT  32783   4    SPS2003-XM          XM   FROM: CN Interchange        

London            L McManus Coal Trestle     PICKUP  32768   0    LPS5-XM             XM   DEST: L Track 4              

London            L MCR Freight Shed N       SETOUT  32783   0    MNA3240-XM          XM   FROM: CN Interchange        
London            L MCR Freight Shed N       SETOUT  32783   1    NP47919-XM          XM   FROM: CN Interchange        

London            L MCR Team                 PICKUP  32775   1    LPS212-FMcrates     FMcr DEST: L Track 4              
London            L MCR Team                 SETOUT  32783   2    LPS200-FMlumber     FMlu FROM: CN Interchange        
London            L MCR Team                 SETOUT  32783   3    ACD28753-VA         VA   FROM: CN Interchange        

E London          L Track 4                  SETOUT  32768   0    LPS5-XM             XM   FROM: L McManus Coal Trestle
E London          L Track 4                  SETOUT  32775   1    LPS212-FMcrates     FMcr FROM: L MCR Team            
E London          L Track 4                  SETOUT  32781   0    LPS3-XM             XM   FROM: L Freight Shed 1      
E London          L Track 4                  SETOUT  32782   0    GN25096-XM          XM   FROM: L Freight Shed 2      
E London          L Track 4                  SETOUT  32782   3    LPS5-XM             XM   FROM: L Freight Shed 2      
E London          L Track 4                  SETOUT  32783   0    MNA3240-XM          XM   FROM: CN Interchange        
E London          L Track 4                  SETOUT  32783   1    NP47919-XM          XM   FROM: CN Interchange        
E London          L Track 4                  SETOUT  32783   2    LPS200-FMlumber     FMlu FROM: CN Interchange        
E London          L Track 4                  SETOUT  32783   3    ACD28753-VA         VA   FROM: CN Interchange        
E London          L Track 4                  SETOUT  32783   4    SPS2003-XM          XM   FROM: CN Interchange

As you can see all of the pickups from the CN Interchange have 2 destinations, an industry in London AND L Track 4 in E London. Consequently, it is not possible to successfully complete the activity. Is this something else I am doing wrong or is it an "undocumented feature"? This seems to happen often when the Final Destination option is used. I do have the SLGDiag.txt diagnostics file if it would be useful.