Debug Assertion Failed! Lispworks crashes

I am receiving the following "Miscrosoft Visual C++ Debug Library" error from
Lispworks, the second time my application runs.

Can anyone describe in what situations this error is generated. It may help in
my debugging.

Thanks,
-Luke


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Debug Assertion Failed!
<path to Lisworks>
File: dbgheap.c
Line: 1044

Expression: _CrtIsValidHeapPointer(pUserData)

<Abort> <Retry> <Ignore>
-----

- Selecting abort will crash Lispworks.
- This is the backtrace from <Retry>

Error: ** Processor Fault #x80000003 at #x10213A28.
  1 (abort) Return to level 0.
  2 Return to top loop level 0.

:b

Call to IO::FAULT-HANDLER-AUX
Call to FLI::FOREIGN-CALLABLE-ENTRY-POINT-AUX-NESTED
Call to RM::RM-FINISH
Interpreted call to RM-PNTCLD
Call to SPECIAL::%EVAL-NOHOOK
Call to IV:PROCESS-TOP-LEVEL
Call to CAPI::CAPI-TOP-LEVEL-FUNCTION
Call to CAPI::INTERACTIVE-PANE-TOP-LOOP
Call to (SUBFUNCTION MP::PROCESS-SG-FUNCTION MP::INITIALIZE-PROCESS-STACK)

Debug Assertion Failed! Lispworks crashes

Re: Debug Assertion Failed! Lispworks crashes