# Error using ¥usepackage{pdfpages}

When ¥usepackage{pdfpages} is added in a tex document, the error is occurred as follows. Let me know how to solve it.

• Proably you want `\usepackage{pdfpages}`? That is not the same as `¥usepackage{pdfpages}`! – cfr Nov 7 '14 at 1:18
• `<cheek>` as a professional LaTeX detective, I don't think that's the issue. `</cheek>` It's choking on `\input{pp\AM@driver.def}` – what is this file and does it inadvertently output any text? It's anybody's guess with a question that gives no MWE, though. – Sean Allred Nov 7 '14 at 1:38
• @SeanAllred I didn't say it would solve the problem. I thought it might marginally improve the question. Using `¥usepackage{pdfpages}` would be expected to result in a similar error but it is clearly not the culprit here since the package is loaded successfully earlier. However, there is something odd about it since it appears to be loaded from the working directory. But, as you say... – cfr Nov 7 '14 at 1:43
• @cfr -- this person is using `ptex` -- the japanese-adapted software. this uses the yen symbol instead of a backslash as the escape character. see the last page of this tugboat excerpt. – barbara beeton Nov 7 '14 at 13:40
• @cfr -- not sure, but a lot of values are hard-coded in the internal tex tables, and the visible character associated with `\catcode0` might be among those. that's the backslash. – barbara beeton Nov 7 '14 at 19:20