Cloudflare reports the issue is resolved: https://www.cloudflarestatus.com/

Cloudflare reports: We believe we have addressed the root cause and are monitoring systems for stability now. https://www.cloudflarestatus.com/

A great number of web-based services are experiencing outages due to downtime with Cloudflare. While Tallie does not use Cloudflare, many of its integrated systems due. Therefore, customers may experience issued with importing or exporting of data, among other issues. Please track Cloudflare system status for the most up to date monitoring: https://www.cloudflarestatus.com/