bug#60813: 30.0.50; error ("Version must be a string")

[Eli Zaretskii]

> Date: Sat, 14 Jan 2023 17:11:04 +0100
> From:  Manuel Uberti via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> Hi,
> 
> I pulled commit 48bd17923a98f49a30bdce2f3a52e03fe45d63f0 from master 
> andI am trying to build with:
> 
> - ./configure
> - make -j`proc` bootstrap
> 
> I have tried `git clean -fdx` already, but the same error appears.
> 
> The error I get is the following:
> 
> Error: error ("Version must be a string")
>    mapbacktrace(#f(compiled-function (evald func args flags) #<bytecode 
> 0x1c0070d2dfae86a0>))

Sorry, should be fixed now.