Increasing the number of grid columns in a looping functoid that already exists inside a BizTalk map causes Visual Studio to crash. I have reproduced this issue with multiple a couple different maps, using different source/destination schema structures.Here is the error that's saved to the event log for the Windows Error Reporting event associated with the crash (which is easy to reproduce, following the steps I included):Fault bucket 1528396393, type 5Event Name: CLR20r3Response: Not availableCab Id: 0Problem signature:P1: devenv.exeP2: 10.0.30319.1P3: 4ba1fab3P4: Microsoft.BizTalk.Mapper.MapperVsPackageP5: 3.0.1.0P6: 4c547a97P7: 7abP8: 0P9: System.IndexOutOfRangeExceptionP10: Attached files:These files may be available here:C:\Users\jonathan.schellack\AppData\Local\Microsoft\Windows\WER\ReportArchive\Critical_devenv.exe_7f1e58646d9ade56f091a891bd839670bd5d7d3e_5692747eAnalysis symbol: Rechecking for solution: 0Report Id: a848fb1c-5f96-11e0-a1f2-005056c00008Report Status: 0
Product Language
Version
Category
Repro Steps