When attempting to write a paragraph in a book an quill on the desk, you can do 1 line and 1 character, then it stops allowing any further typing to show or appear.

confirmed still a problem in ~5.0+ -- should report to mod authors

Mod issue that can't be fixed by Modpack.

Please report to Mod Dev.

Kind of an oddly-specific report but thanks for taking the time to report it nonetheless 👍