GNU bug report logs - #14069
24.2; "Wrong type argument: arrayp, nil" in ERC tab completion for nicks

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: wgreenhouse <at> riseup.net (W. Greenhouse)
Cc: 14069 <at> debbugs.gnu.org
Subject: bug#14069: 24.2; "Wrong type argument: arrayp, nil" in ERC tab completion for nicks
Date: Sun, 27 Dec 2015 22:14:17 +0100

wgreenhouse <at> riseup.net (W. Greenhouse) writes:

> In some channels (seemingly especially populous ones like #emacs), ERC
> TAB completion of nicks will sometimes fail with "Wrong type argument:
> arrayp, nil".  Invoking /names in the channel is a workaround; after
> doing so, TAB completion works again.  The backtrace from
> toggle-debug-on-error is as follows:
>
> Debugger entered--Lisp error: (wrong-type-argument arrayp nil)
>   pcomplete-erc-nicks(":" t)

Is this still a problem in Emacs 25.1?  If so, can you load an
uncompiled erc-pcomplete.el file to get a fuller backtrace?  It's not
immediately obvious what array access is failing in that function.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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