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Are you sure you want to do this? Please try again.

If you’re seeing this confusing WordPress error when trying to upload the theme, it means the process breaks at some point and that’s most probably due to a few server settings limiting resources for your site. For example the maximum upload size could be set to 5MB and the theme’s package is larger than that (e.g. 8MB). This isn’t a bug but a matter of server settings and you should increase that limit to at least 12MB otherwise, even uploading a larger image could cause the same issue.

Solutions:

  • You can get your web host to increase your PHP limits so a larger zip file is allowed to be uploaded. They will know which limits to set if you explain the issue.
  • You can upload your theme via FTP.

Recommended PHP Configurations:

  • max_execution_time 60
  • memory_limit 64M
  • post_max_size 32M
  • upload_max_filesize 32M