Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
  ring-insert(nil 25)
  #f(compiled-function () #<bytecode -0x7b2a4ba04ec2e03>)()
  #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_83>([#f(compiled-function () #<bytecode -0x7b2a4ba04ec2e03>) #f(compiled-function () #<bytecode 0x1993efbfd002>) #f(compiled-function () #<bytecode -0x18cc2d221c35b7c9>)])
  mapc(#<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_83> ([#f(compiled-function () #<bytecode -0x7b2a4ba04ec2e03>) #f(compiled-function () #<bytecode 0x1993efbfd002>) #f(compiled-function () #<bytecode -0x18cc2d221c35b7c9>)] [#f(compiled-function () #<bytecode -0x1fed79effcf00da4>) #f(compiled-function () #<bytecode 0x1993efbfd002>) #f(compiled-function () #<bytecode -0x4c4adc57706d278>)] [#f(compiled-function () #<bytecode 0x5b268a743d4555c>) #f(compiled-function () #<bytecode 0x1993efbfd002>) #f(compiled-function () #<bytecode -0x8eb1a7e45b30c1d>)] [#f(compiled-function () #<bytecode 0x27788f0aca3e6e5>) #f(compiled-function () #<bytecode 0x1993efbfd002>) #f(compiled-function () #<bytecode -0x8eb1a7e76a08c1d>)]))
  symon--initialize()
  symon-mode()
  (progn (symon-mode) t)
  (condition-case err (progn (symon-mode) t) ((debug error) (funcall use-package--warning43 :config err)))
  (if (not (require 'symon nil t)) (display-warning 'use-package (format "Cannot load %s" 'symon) :error) (condition-case err (progn (symon-mode) t) ((debug error) (funcall use-package--warning43 :config err))))
  (condition-case err (if (not (require 'symon nil t)) (display-warning 'use-package (format "Cannot load %s" 'symon) :error) (condition-case err (progn (symon-mode) t) ((debug error) (funcall use-package--warning43 :config err)))) ((debug error) (funcall use-package--warning43 :catch err)))
  (progn (use-package-ensure-elpa 'symon '(t) 'nil) (defvar use-package--warning43 #'(lambda (keyword err) (let ((msg (format "%s/%s: %s" ... keyword ...))) (display-warning 'use-package msg :error)))) (condition-case err (if (not (require 'symon nil t)) (display-warning 'use-package (format "Cannot load %s" 'symon) :error) (condition-case err (progn (symon-mode) t) ((debug error) (funcall use-package--warning43 :config err)))) ((debug error) (funcall use-package--warning43 :catch err))))
  elisp--eval-last-sexp(nil)
  eval-last-sexp(nil)
  funcall-interactively(eval-last-sexp nil)
  command-execute(eval-last-sexp)