Hi ​@FCB-AH, 

Welcome to Box Community and we’ll help figure out your storage limit error. 

To keep track of your used storage, you can head over to Box.com> Account Settings> Scroll down to Account Details and look for Storage Used. 

To isolate your issue, please answer the following: 

• Are you uploading files when the account limit reached error occurred? 
• If your answer is yes, what is the total size of the item you’re uploading?
• What is the URL link to the affected folder?

We look forward to hear from you!