An error happened while appending the item

Last Published: October 2, 2023

Error Message

When attempting to append survey data in ArcGIS Online, the process fails and returns the following error message:

An error happened while appending the item.
Error message in ArcGIS Online.


The appended data exceeds the maximum character length of the survey form.

Solution or Workaround

  1. Log in to ArcGIS Survey123 Connect and open the original survey.
  2. In ArcGIS Survey123 Connect, click XLSForm.
  3. In the XLSForm spreadsheet, search for the bind::esri:fieldLength column, and set the desired maximum character length for the text question type.
  4. Click Save The Save icon..
  5. In ArcGIS Survey123 Connect, click Update.
  6. Click Publish.
  7. In the Publish <form> window, click Publish survey.
  8. In ArcGIS Online, append the survey data to the original survey.
    1. Log in to ArcGIS Online, and click Content > My Content.
    2. Navigate to the original survey folder and click the survey's hosted feature layer.
    3. On the item's details page, click Update Data.
    4. In the Update layer window, click Add features and click Next.
    5. For Select the data file, browse to and select the file containing the data to be appended.
    6. For Location settings, click Next.
    7. For Time zone selection, click Next.
    8. For Select matching fields, click the drop-down menu for each original field and match it to the field in the appended data.
    9. Click Add and complete.

Article ID:000030958

  • ArcGIS Online
  • ArcGIS Survey123 Connect

Receive notifications and find solutions for new or common issues

Get summarized answers and video solutions from our new AI chatbot.

Download the Esri Support App

Related Information

Discover more on this topic

Get help from ArcGIS experts

Contact technical support

Download the Esri Support App

Go to download options