ILLEGAL: P h2-h3 on turn 1:
The coordinate  is unknown in move: MOVE: P h2-h3.
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For diagnostic purposes, here is the full movelist:
1. P h2-h3 
1... P H2-H3; p D7-D6 
2. Z E2-F4; C !B8-E2 
2... z E8-C7; f !C9-E8 
3. P C2-C3 
3... p G8-G7 
4. P B2-B3 
4... p G7-G6 
5. P H3-H4 
5... z C7-B5; e !C8-C7 
6. P C3-C4 
6... z B5-C3 
7. Z F4-H3; N !B7-F4 
7... z C3-B1; n !D7-C3 
8. E2-C2 
| 8... z B1-A4; r !C7-C1 // Check
| 9. K E1-D2 
8... z B1-A3; r !C7-B1 
9. K E1-D2 
9... r B1-H1 
10. Z H3-F2 
10... z A3-B1; c !D8-A3 // Checkmate
11. resign
In case there is a bug in the code, the settings file can be edited at /play/pbm/play.php?game=Shatranj+of+Troy&settings=Symbolic&submit=Edit