Bug
Unable to alter fields length in ArcGIS Desktop or ArcGIS Pro. The error message is returned, "Error: Unable to alter the field's length. The maximum allowed for any data type (8000)."
| Bug ID Number | BUG-000138474 |
|---|---|
| Submitted | March 25, 2021 |
| Last Modified | April 10, 2026 |
| Applies to | ArcGIS for Desktop |
| Version found | 10.8.1 |
| Operating System | Windows OS |
| Operating System Version | 10.0 64 Bit |
| Status | Will Not Be Addressed |
Additional Information
We apologize that we were unable to address this issue within the current product support cycle. If the issue continues to affect your work in a supported release, please contact Technical Support.Workaround
- Add a new text field with 12000 character size.
- Run the Field Calculator on the new field.
- Delete the old field.
- Rename the new field and its alias.
Steps to Reproduce
Bug ID: BUG-000138474
Software:
- ArcGIS for Desktop
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