I get this error when I only have the following in my .emacs:

(setq debug-on-signal t)
(setq debug-on-error t)
(server-start)

Gábor <hajovonta@gmail.com> ezt írta (időpont: 2020. okt. 13., K, 9:30):

> I moved it to the top of my config, then I get the following error on
> startup:
>
> Debugger entered--Lisp error: (void-variable server-use-tcp)
>   default-toplevel-value(server-use-tcp)
>   custom-initialize-reset(server-use-tcp (funcall #'#f(compiled-function
> () #<bytecode 0x1e0000171e91>)))
>   custom-declare-variable(server-use-tcp (funcall #'#f(compiled-function
> () #<bytecode 0x1e0000171e91>)) "If non-nil, use TCP sockets instead of
> local socke..." :set #f(compiled-function (sym val) #<bytecode
> 0xecd269cdbfc6f97>) :type boolean :version "22.1")
>
> byte-code("\300\301\302\303\304\305%\210\306\307\310\311\312DD\313\314\315\316\317\320\321&\11\210\306\322\310\311\323DD\324\316\325\320\321&\7\210\326\322\327\330#\210\306\331\310\311..."
> [custom-declare-group server nil "Emacs running as a server process."
> :group external custom-declare-variable server-use-tcp funcall function
> #f(compiled-function () #<bytecode 0x1e0000171e91>) "If non-nil, use TCP
> sockets instead of local socke..." :set #f(compiled-function (sym val)
> #<bytecode 0xecd269cdbfc6f97>) :type boolean :version "22.1" server-host
> #f(compiled-function () #<bytecode 0x1e0000171e91>) "The name or IP address
> to use as host address of t..." (choice (string :tag "Name or IP address")
> (const :tag "Local" nil)) put risky-local-variable t server-port
> #f(compiled-function () #<bytecode 0x1e0000171e91>) "The port number that
> the server process should lis..." (choice (string :tag "Port number")
> (const :tag "Random" nil)) "24.1" server-auth-dir #f(compiled-function ()
> #<bytecode 0xae5c6d90276fe>) "Directory for server authentication
> files.\nWe only..." directory server-auth-key #f(compiled-function ()
> #<bytecode 0x1e0000171e91>) "Server authentication key.\nThis is only used
> if `s..." (choice (const :tag "Random" nil) (string :tag "Password"))
> "24.3" server-raise-frame #f(compiled-function () #<bytecode
> 0x1e0000171e5d>) "If non-nil, raise frame when switching to a buffer..."
> server-visit-hook #f(compiled-function () #<bytecode 0x1e0000171e91>) "Hook
> run when visiting a file for the Emacs server..." hook server-switch-hook
> #f(compiled-function () #<bytecode 0x1e0000171e91>) "Hook run when
> switching to a buffer for the Emacs ..." server-after-make-frame-hook ...]
> 10)
>   (server-start)
>   eval-buffer(#<buffer  *load*> nil "/home/username/.emacs" nil t)  ;
> Reading at buffer position 216
>   load-with-code-conversion("/home/username/.emacs"
> "/home/username/.emacs" t t)
>   load("~/.emacs" noerror nomessage)
>   startup--load-user-init-file(#f(compiled-function () #<bytecode
> 0xcee8b0bce81ba0f>) #f(compiled-function () #<bytecode 0x81a386fa1b1b513>)
> t)
>   command-line()
>   normal-top-level()
>
> Gábor <hajovonta@gmail.com> ezt írta (időpont: 2020. okt. 13., K, 9:17):
>
>> I set them both to t, now I have the following error on startup:
>>
>> Debugger entered--Lisp error: (file-missing "make client process failed"
>> "No such file or directory" :name "server-client-test" :family local
>> :server nil :noquery t :service "/run/user/1000/emacs/server")
>>   make-network-process(:name "server-client-test" :family local :server
>> nil :noquery t :service "/run/user/1000/emacs/server")
>>   server-running-p("server")
>>   server-start()
>>   eval-buffer(#<buffer  *load*> nil "/home/username/.emacs" nil t)  ;
>> Reading at buffer position 27778
>>   load-with-code-conversion("/home/username/.emacs"
>> "/home/username/.emacs" t t)
>>   load("~/.emacs" noerror nomessage)
>>   startup--load-user-init-file(#f(compiled-function () #<bytecode
>> 0xed8d667e6160a0f>) #f(compiled-function () #<bytecode 0x81a386fa1b1b513>)
>> t)
>>   command-line()
>>   normal-top-level()
>>
>>
>>
>> Eli Zaretskii <eliz@gnu.org> ezt írta (időpont: 2020. okt. 12., H,
>> 16:50):
>>
>>> > From: Michael Heerdegen <michael_heerdegen@web.de>
>>> > Cc: Gábor <hajovonta@gmail.com>,  larsi@gnus.org,
>>> >   npostavs@gmail.com,
>>> >   43888@debbugs.gnu.org
>>> > Date: Mon, 12 Oct 2020 07:58:27 +0200
>>> >
>>> > Eli Zaretskii <eliz@gnu.org> writes:
>>> >
>>> > > > *ERROR*: Wrong number of arguments: (1 . 4), 5
>>> >
>>> > > But since with "emacs -Q" it does work, it is still some of your
>>> > > customizations that are the prime suspect.
>>> >
>>> > Is there a way for the user to get an error message more verbose than
>>> > above?
>>>
>>> Yes, make sure debug-on-signal and debug-on-error are both non-nil in
>>> the Emacs that runs the server, then you will have the backtrace pop
>>> up in Emacs.  Assuming there's some frame visible for the server, that
>>> is.
>>>
>>