Importing a space results in a generic error

Summary

Upon trying to perform a space import, the following message is displayed:

The following error(s) occurred: There was an error during import. Please see our guide to raising a bug report.

Diagnosis

• Check if the file being exported is a ".zip" one.

• Confirm that other spaces can be imported by using the exported file.

• On the site where the export issue is happening, support can help confirm if the following error in the logs is displayed:

  1 Failed to submit space import task, migrationID: null

Cause

This happens because the imported file is not the "zip" one created when a space is exported. For example, instead of importing the fully zipped exported content, the entities.xml file is used.

Solution

Use the zipped file for the export or re-zip the file that was unzipped.