LaTeX forum ⇒ Document ClassesUndefined control sequence

Information and discussion about specific document classes and how to create your own document classes.
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Joined: Wed Sep 08, 2021 9:48 pm

Undefined control sequence

Postby Han » Wed Sep 08, 2021 9:55 pm

hallo friends
I suddenly have a urgent problem on latex. I use texmaker and miktex. When I wrote
\ my opinion is ....
, there is a mistake said "Undefined control sequence. \my". And in pdf file, all the words "my" cannot be displayed. However, previously, the program worked well with all things.

I am looking forward for reply. thank you in advanced.

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