This is because the Motherline font is extremely detailed, if you look up close:Įvery outline that is not fluid and every white spot inside the glyph has to be drawn. So where Verdana has 13 coordinates to draw the W, Motherline has over 1100. If you would open up this font, you will see that it has a lot of coordinates:Įvery blue and red dot is a coordinate. We will show you this works using the Motherline Blocks font as an example. This is easy for the system to draw and it is very easy to validate for Font Book.ĭecorative fonts have way more coordinates, which makes them heavier to use but also allows for different curves & flows. These coordinates tell software such as Photoshop how the font should be drawn.įor most fonts, like the Verdana font, the coordinates will look like this:Įach blue dot is a coordinate. If you think it is interesting to learn in more detail how this works, just keep on reading!Įach font is constructed of a path of coordinates. This triggered warning cannot be solved without re-creating the font and reducing the coordinates (which would result in a totally different font).īut the font can be installed as it is and be used on your Mac without any issues! Simply tick ‘Select all fonts’ and click ‘Install Checked’ and your installation will be completed. A warning notification that minor problems were foundĪ font is built up by coordinates and the font validation fails because the font is programmed with too many coordinates.Serious error and you cannot use the font.There are 2 types of errors that can appear:

Mac does a lot of checks when installing a font and when it finds something is not how it wants it to be, it will show this message. This pop-up appears due to a technical issue with the font validation. In this article we will explain why you get this error and how to resolve it, so you can install your new fonts with ease. In almost all cases, the font will work perfectly fine! This does not mean that you cannot install the font on your Mac. The Mac/iOS has very strict font validation and can fail for many reasons. In this article we will tell you why! Strict font validation It might look like a scary warning, but in fact, this error should not stop you from enjoying the font on your Mac/iOS. If you have a Macbook, you might have bumped into this pop-up while installing fonts.įont Book’s font validation system is telling you that ‘Problem may have been found with some fonts during validation’ and is asking you to review/validate the font. This page is part of The Ultimate Font Guide, an introductory font manual that explains the basics of fonts and how to install fonts, use them in different applications and more.

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