This error occurs while opening an article text element, applying a style or inserting tags.

The possible causes are:

1.The text contains a GNML tag or a style that calls for a font with a font number that does not exist in the database.

2.You're applying a style that calls for a font with a font number that does not exist in the database.

3.You're inserting a >f tag with the number that does not exist in the database.

To correct this error

1.Display tags, locate and remove the tag or the style with wrong code. If the style is the problem, report that style as wrong to the GN4 System Administrator.

2.Remove the style with the wrong code. Report that style as wrong to the GN4 System Administrator.

3.Insert the correct font number.