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MAR Troubleshooting Guide

Monday, May 31, 2021
Support for the geocoder is available to District of Columbia agencies and their contractors only; however, please read the troubleshooting guide. The most common of errors occurs with the following:
Check the filename of your database or spreadsheet, the name of your table, and the name(s) of the fields in your table. 
  • No spaces or special characters are allowed in any of these places.  The only acceptable “special character” is an underscore “_”
  • The first letter of field names etc., should be a letter, not a number character
  • If you need to rename any fields or table names, you can do this in Access, prior to adding the table to ArcMap.  The filename can be changed in Windows Explorer.