ERROR
When attempting to open an MXD in ArcMap version 8.3, the following error occurs:
"The document could not be loaded. It may reference an extension that is not currently installed on your system. This may possibly be one of the following:
Maplex
Mx Document
Tracking Analyst
Mx Document Version Info"
MXD documents created in ArcMap version 9.0 cannot be opened in earlier versions of ArcMap.
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