【新手】visual c++ 6.0 中 delete 错误！怎么分析？

nXProject=new int[nXStep];

for (ni=0; ni<nXCount; ni++)
{
memset(nXProject, 0, nXStep * sizeof(int));
nXPrjSum=0;
GetProject(ni*nXStep);

.......................

}
}

delete nXProject; //【error！】


dbgheap.c ----->


if (!CheckBytes(pbData(pHead) + pHead->nDataSize, _bNoMansLandFill, nNoMansLandSize))
_RPT3(_CRT_ERROR, "DAMAGE: after %hs block (#%d) at 0x%08X.\n",
szBlockUseName[_BLOCK_TYPE(pHead->nBlockUse)],
pHead->lRequest,
(BYTE *) pbData(pHead)); [<------------停到这里了？]