bug#19745: 25.0.50; startup error

[Alexis]

Sam Steingold <sds@gnu.org> writes: 

> I am getting this error on startup now: 
>
> Debugger entered--Lisp error: (wrong-number-of-arguments format 
> 0) 
>   format() apply(format nil) custom-save-all() 
>   customize-save-variable(package-selected-packages (vlf ensime 
>   edit-server)) package-initialize() command-line() 
>   normal-top-level() 
>
> I just rebuilt emacs from scratch.  I wonder why is does 
> customize-save-variable on startup... 
>
> In GNU Emacs 25.0.50.3 (x86_64-apple-darwin14.1.0, NS 
> appkit-1344.72 Version 10.10.2 (Build 14C109)) 
>  of 2015-02-02 on sds-MacBook-Pro.local 

Hi Sam,

Sorry it's taken so long to get back to you. Do you still observe 
this behaviour with more recent builds of Emacs?    Alexis.