Summary

Unable to import more than 1000 issues via CSV.

Steps to Reproduce

1. Export more than 1000 of issues from your Cloud instance using CSV exporter
2. Import them to your Cloud instance via CSV

Expected Results

Able to import without hitting any performance issue

Actual Results

Error stating that token is missing

Jira could not complete this action due to a missing form token.

You may have cleared your browser cookies, which could have resulted in the expiry of your current form token. A new form token has been reissued.

Request URL: /secure/admin/CsvValueMappingsPage.jspa

The original input has been captured and you can retry the operation.

Sorry, but any file attachments in the original input will be lost.

Workaround

Split the CSV file to lower the number of issues to be imported, less than 1000 issues per file