i just love microsoft. no sarcasm. they have these weird bugs. but they tell you about them. look what i found at support.microsoft.com, Excel, "no new fonts" exact phrase...
XL2000: Error Copying Worksheets Containing Charts
View products that this article applies to.
This article was previously published under Q215573
SYMPTOMS
When you copy a worksheet with embedded chart objects several times, you may receive the following error message:
No more new fonts may be applied in this workbook.
When you click OK to clear the error message, you may receive the following error message:
Cell table Integrity failure.
CAUSE
This problem may occur if all of the following are true:
You created a chart object in the worksheet.
-and-
The chart object contains a title.
-and-
You pasted a chart object on the same worksheet ten or more times.
-and-
You copied the worksheet several times in the same workbook.
WORKAROUND
To workaround this behavior, use either of the following methods.
Method 1: Disable Autoscaling in the Chart
Select the chart.
On the Format menu, click Selected Chart Area.
Click the Font tab.
Click to clear the Autoscale check box.
Click OK.
Method 2: Split the Number of Charts into Multiple Workbooks
You can cut some of your charts in your workbook and paste them into one or more new workbooks to decrease the amount of resources that each workbook needs.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.