Could not merge users with existing ones since it exceeds license count

Issue Summary

When doing a Jira Site import from a Server backup file, the import fails with a validation error

Steps to Reproduce

1. Take a backup of a Jira Server instance
2. Perform a System Restore using this backup file
3. Select the option to Merge with existing cloud users in the section about 'Choose what to do with imported user data'

Expected Results

Server import will complete and user data will be merged into existing Cloud user base

Actual Results

A validation error is thrown:

Could not merge users with existing ones since it exceeds license count

Workaround

You can remove users and from the backup file before importing to avoid this error and contact Atlassian support to import users manually

• MacOS:

  $ sed -i '' '/<User id="/d' entities.xml
  $ sed -i '' '/<Membership id="/d' entities.xml
  

• Linux:

  $ sed -i '/<User id="/d' entities.xml
  $ sed -i '/<Membership id="/d' entities.xml