Check out example codes for "E/flutter (20384): [ERROR:flutter/third_party/txt/src/minikin/FontFamily.cpp(184)] Could not get cmap table size! E/flutter (20384): F/flutter (20384): [FATAL:flutter/third_party/txt/src/minikin/FontCollection.cpp(95)] nTypefaces == 0". It will help you in understanding the concepts better.

Code Example 1

In my case I deleted the .ttf file and readded them and deleted lines reg
regarding font family in pubspace.yaml file and flutter-clean the project and again
add the lines with internet connection while Packages get

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