st: Error command histogram

[Vanessa Mahlberg <vmahlberg@netcologne.de>]

I am getting the following errors when I attempt to run histogram X although I worked with this kind of graphic many times before.

(note: scheme s2color not found, using s2color)
system limit exceeded - see manual
(note: default scheme s2color not found, ignored)
(note:  _restyle could not find style indexed 1 in the current scheme 
for class    margin)
(note:  shadestyle not found in scheme, default attributes used)
(note:  linestyle foreground not found in scheme, default attributes used)
(note:  linestyle not found in scheme, default attributes used)
(note:  shadestyle foreground not found in scheme, default attributes used)
(note:  shadestyle not found in scheme, default attributes used)
(note:  linestyle foreground not found in scheme, default attributes used)
(note:  linestyle not found in scheme, default attributes used)
(note:  shadestyle foreground not found in scheme, default attributes used)
(note:  shadestyle not found in scheme, default attributes used)
(note:  _restyle could not find style indexed 2 in the current scheme 
for class    horizontal)
(note:  _restyle could not find style indexed 2 in the current scheme 
for class    vertical)
(note:  _restyle could not find style indexed 9 in the current scheme 
for class    compass2dir)
(note:  linestyle foreground not found in scheme, default attributes used)
(note:  linestyle not found in scheme, default attributes used)
(note:  shadestyle foreground not found in scheme, default attributes used)
(note:  shadestyle not found in scheme, default attributes used)
(note:  linestyle foreground not found in scheme, default attributes used)
(note:  linestyle not found in scheme, default attributes used)
(note:  shadestyle foreground not found in scheme, default attributes used)
(note:  shadestyle not found in scheme, default attributes used)
(note:  linestyle foreground not found in scheme, default attributes used)
(note:  linestyle not found in scheme, default attributes used)
(note:  shadestyle foreground not found in scheme, default attributes used)
(note:  shadestyle not found in scheme, default attributes used)
(note:  linestyle foreground not found in scheme, default attributes used)
(note:  linestyle not found in scheme, default attributes used)
(note:  shadestyle foreground not found in scheme, default attributes used)
(note:  shadestyle not found in scheme, default attributes used)
(note:  _restyle could not find style indexed 2 in the current scheme 
for class    yesno)
(note:  _restyle could not find style indexed 1 in the current scheme 
for class    yesno)
(note:  _restyle could not find style indexed 2 in the current scheme 
for class    yesno)
(note:  _restyle could not find style indexed 1 in the current scheme 
for class    transformstyle)
(note:  graphstyle graph not found in scheme, default attributes used)
(note:  graphstyle not found in scheme, default attributes used)
(note:  color background not found in scheme, default attributes used)
variable y not found
no variables defined
r(111);

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