我的 tex 文件（特别是 chapter2）崩溃了，不知何故 tex 文件不再可编译！tex 文件中受影响的 chapter2 甚至不会显示任何代码，它是空白的，如果我尝试复制，它会显示一些粉红色，有时是蓝色。实际上，这是在我从 PDF 文档中复制了几行之后发生的。我尝试删除 .aux 文件，但 TexStudio 无法再编译它。
我遇到了严重错误，但其他章节和其他文件似乎没问题。有什么线索吗？
日志文件块：
*\openout2 = `chapter2.aux'.
(chapter2.tex
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
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A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1 ...
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1 ...
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1 ...
...
A funny symbol that I can't read has just been input.
Continue, and I'll forget that it ever happened.
! Text line contains an invalid character.
l.1 ...
...
(That makes 100 errors; please try again.)
Here is how much of TeX's memory you used:
13554 strings out of 493308
199066 string characters out of 3138772
349512 words of memory out of 3000000
16839 multiletter control sequences out of 15000+200000
10112 words of font info for 23 fonts, out of 3000000 for 9000
1141 hyphenation exceptions out of 8191
48i,6n,43p,77726b,410s stack positions out of 5000i,500n,10000p,200000b,50000s
! ==> Fatal error occurred, no output PDF file produced!*