createPinGroup SEGV Error

Hi All,

Here is a stack  trace situation in encounter. Even in 9.1 . Any design can be used to replicate this crash.

 createPinGroup nLeft -pin  {ILEAD_OFF[0] ILEAD_OFF[1]}

 createPinGuide -edge 1 -netGroup nLeft

 Encounter terminated by internal (SEGV) error/signal...
*** Stack trace in log file.

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Explanation:

Im my group some folks inadvertenly   used -netGroup   instead of using correct option -pinGroup.

In -7.1-USR3-s219_1  we get this message without crash.

**ERROR: (SOCPTN-904):  Cannot create pin guide because no net group is found with the name [nLeft]. Check the net group name specified and try again.

The newer version should also give similar ERROR rather then crashing. 

Thanks,

Irfan