Can't reconcile account, Ending Date field shows red when date is entered. Chrome and Firefox browsers both with same issue. How can I correct this issue?

Hi bitschy-hotmail-,

Welcome to the Community. Being able to reconcile your accounts is essential to ensure that your transactions are correctly recorded in your books. QuickBooks Online is a great program that gives you the ability to simply track your sales and expenses. I'd be glad to help.

I can see you've completed the browser troubleshooting steps. I encourage you to reach out to our customer support team to take a closer look at this. Here are the options available to contact our team. 

• Phone: Call us at 1-855-253-1536
• Schedule a Callback: click (?)Help in the upper right in QuickBooks Online > type and enter "Contact support" into the QB Assistant > click Contact Us > explain your situation > click Let's Talk > choose Get a callback or Start.
• Visit this article for the support hours: Get help with QuickBooks products and services.

Let me know if you have questions, I'll be happy to help.