003057: Invalid value in mapping table: '<value>'


An invalid character, such as a space or leading number, exists in one or more of the following field names in the field_mapping, alternate_field_mapping, or custom_output_fields parameters of the Create Locator tool:

  • Locator role field name
  • Primary data field name
  • Locator role alternate field name
  • Alternate data table field name


Review the locator role and data field names in the script and make sure they adhere to the following conventions:

  • Field names should only contain characters a-z, 0-9, and underscores.
  • Do not use spaces, hyphens, parentheses, brackets, and other special characters, such as $, %, and #.