Solution for "Illegal parameter number in definition of \test. You meant to type ## instead of #, right? when creating a latex table with double vertical line" - babaye's notes
![bibliographies - Illegal parameter number in definition of \reserved@a Error with natbib bibliography: empty bibliography - TeX - LaTeX Stack Exchange bibliographies - Illegal parameter number in definition of \reserved@a Error with natbib bibliography: empty bibliography - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/MQ87Y.png)
bibliographies - Illegal parameter number in definition of \reserved@a Error with natbib bibliography: empty bibliography - TeX - LaTeX Stack Exchange
![errors - Illegal parameter number in definition of \enit@before. You meant to type ## instead of #, right? - TeX - LaTeX Stack Exchange errors - Illegal parameter number in definition of \enit@before. You meant to type ## instead of #, right? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/5UFET.png)
errors - Illegal parameter number in definition of \enit@before. You meant to type ## instead of #, right? - TeX - LaTeX Stack Exchange
![table of contents - how to understand the error info "Illegal parameter number in definition of \reserved@a. ...t{2+\cdots+\sqrt{2}}}}_{n项} , \cdots 收敛.$}" - TeX - LaTeX Stack Exchange table of contents - how to understand the error info "Illegal parameter number in definition of \reserved@a. ...t{2+\cdots+\sqrt{2}}}}_{n项} , \cdots 收敛.$}" - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/LY4sg.png)
table of contents - how to understand the error info "Illegal parameter number in definition of \reserved@a. ...t{2+\cdots+\sqrt{2}}}}_{n项} , \cdots 收敛.$}" - TeX - LaTeX Stack Exchange
![errors - Illegal parameter number in definition of \enit@before. You meant to type ## instead of #, right? - TeX - LaTeX Stack Exchange errors - Illegal parameter number in definition of \enit@before. You meant to type ## instead of #, right? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/7iFUa.png)