Fatal Error

I receive a fatal error several times a day usually when I run the field to
finish, point editing, and surface commands. Listed below is the message
from carlson 2004.
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Carlson Software Error Aborting
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FATAL ERROR: Unhandled Access Violation Reading 0x19999a0a Exception at
3600bb50h
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OK
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finish, point editing, and surface commands. Listed below is the message
from carlson 2004.
---------------------------
Carlson Software Error Aborting
---------------------------
FATAL ERROR: Unhandled Access Violation Reading 0x19999a0a Exception at
3600bb50h
---------------------------
OK
---------------------------