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Error: Application Error - The memory could not be "read"

Error Message

This problem is addressed in ArcGIS 8.1 Service Pack 1. See Related Information section to download this pack.

Summarize field in ArcMap causes this error:

Untitled - ArcMap - ArcInfo: ArcMap.exe - Application Error.

The instruction at "0x0ef456fe" referenced memory at "0x0000000000". The memory could not be "read".

Click on OK to terminate the program.
Click on CANCEL to debug the program.

Cause

This occurs if you try and summarize a join table after adding a field to it.

Solution or Workaround

Add the field prior to the join.

Related Information