If you cannot afford the license, use these legal, open-source Gujarati fonts instead:
Why do users aggressively search for a free version? The primary reason is accessibility. For a student in a small town in Gujarat needing to type an assignment, a small business owner designing a flyer, or a non-resident Gujarati trying to write a family newsletter, the cost of a professional software license can be prohibitive. In many parts of the world, the culture of "downloading for free" predates the modern subscription economy. Users often assume that if a font is widely used, it must be part of the public domain or a freeware offering. Consequently, dozens of third-party websites host the .ttf (TrueType Font) or .otf (OpenType Font) files, offering them as "free downloads" without the permission of Modiford Infotech. Shree-guj-1120 Font Free Download
Solution: The document expects Shree-Guj-1120, but your OS doesn't have it installed. Install the font and restart your software. If you cannot afford the license, use these