Unable to Save Spreadsheet

Unable to Save Spreadsheet

I am constantly receiving the below error message when trying to save a spreadsheet whether from work or from home.  This has been occurring for the past several days but also occurs intermittently since we've started using this product the end of last year.

Error:
Unable to save.  The document exceeds the prescribed size limit (i.e., 65536 rows and 256 columns per worksheet or 1 million cells per workbook).  Please reload the document to continue working.  The data entered in the last few seconds will be lost.  Therefore, we commend that you copy the data and paste it elsewhere.
End Error:

The spreadsheet has less than 80 rows in it and less than 20 columns.  There is only a handful of tabs in the workbook which are the same size so the rows/columns/cells limit has not been exceeded.

      • Sticky Posts

      • Slicers are now available in Zoho Sheet—filter your data interactively

        At Zoho Sheet, we diligently track user requests and feedback. In line with this, based on extensive user requests, we've integrated Slicers to pivot tables and are delighted to announce its release. Slicers are interactive visual filters that have add,
      • Check out the new Checkbox in Zoho Sheet

        Checkbox, the simple GUI widget that lets you choose between two mutually exclusive options i.e Yes or No, is now in Zoho Sheet. Having made it across the web, Checkbox is familiar but is still elusive to most spreadsheet software. Special developer ribbons, macros and all other complexities to add a checkbox to a spreadsheet? Not in Zoho Sheet. How to add Checkbox to Zoho Sheet? Adding a Checkbox in Zoho Sheet is simple. Select a cell/range and choose "Checkbox" in "Input Controls" under the Format
      • Format and analyze spreadsheet data with Zoho Sheet's Table

        While a spreadsheet helps you compile data for easy analysis, formatting helps make your data more comprehensible. We are happy to announce the release of Table, a crucial tool for improving data formatting in Zoho Sheet. More than a formatting tool,
      • Introducing Data Bars: Graphically represent changes in data within the cells

        Conditional formatting has helped millions of spreadsheet users analyze and highlight their data more efficiently. In addition to the classic rules, color scales, and icon sets available in Zoho Sheet, you can now apply Data Bars, a convenient method
      • Zia in Zoho Sheet now makes suggestions on conditional formats, picklists, and checkboxes

        Zia, Zoho's popular AI assistant, has been helping users succeed across Zoho applications since inception. In Zoho Sheet, Zia helps users efficiently build reports and analyze data with recommendations about data cleaning, charts, and pivot table. Also,