Added checks for invalid pointers to find the problematic crash when exporting owl files
Added checks for invalid pointers to find the problematic crash when exporting owl files

airballking/semrec,airballking/semrec,code-iai/semrec,airballking/semrec,code-iai/semrec,code-iai/semrec,code-iai/semrec,airballking/semrec