What line of code application error handler points to?

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>i have an application that starts via a batchfile. Wen i run the batchfile via the network on any pc the program starts and works fine. When i run the program via the same batchfile when i log in via terminal server client i get the next error : Microsoft: Visual FoxPro - Allowed DO nesting level exceeded.
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>Anybody has an idea where the error comes from ?
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>thnx