Add Field Failed: Cannot create a table with a duplicate column

Error Message

When adding a field to an attribute table, the following error may occur:

"Failed to add the field to the table/feature class. Cannot create a table with a duplicate column."


A field in the attribute table already has the same name.

Solution or Workaround

Rename one of the duplicated fields or delete the old field.

Article ID:000006322

  • ArcMap 8 x

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