The script 'SDE.ExportTableUpdate' could not be found

Solution or Workaround

Where is ..esri/av_gis30/arcview/ext/dbthemes.avx? 

Stop. The script 'SDE.ExportTableUpdate' could not be found 

     a} Select Start>Find>Find Files or Folders.
     b) Search all local drives for the file name 'default.apr'

Warning:
Do not rename or delete the system default project located in the ..\esri\av_gis30\arcview\etc\ directory.

     a) Start/Restart ArcView3.0a.  
     b) Open the Project that gives the error.
     c) Activate the Project Window.
     d) Select Extensions from the File menu.
     e) Click off the DBThemes extension. Make sure the Sample SDE Editing
     Extension is turned off as well if present. 
     f) Click OK. 
     g) Select Save Project from the File menu.
     h) Open Project in ArcView 3.1 or ArcView 3.2

Note:
If the project is accessing SDE data using the DBThemes extension for accessing data, you will need to remove the data and connection, and readd the data using the Database Access Extension.