Error with butter function

I have been having this problem for a while now on my matlab 2020b while using the butter function to create a bandpass filter for a continous waveform seismogram. My input is in accordance to what is in the documentation

I created a bandpass filter function first

function [ ts ] = bandpassfilt( ts, dt, high, low )
  [n ,q] = size(ts);
    tap = tukeywin(n, 0.1);
    [b,a] = butter(1,[low, high].*(2*dt),'bandpass');
    for i = 1:q
        ts(:, i) = single(filtfilt(b,a,double(ts(:, i).*tap).*tap));
    end
end
clc
clear
close all 

Then created a script named "quick filt" to filter and plot

load trace
%samples and timing
sps = 250; %node sample rate 
dt = 1/sps;
%data_samps = 60*60*250;
% body wave filter bandwidth ~0.5-2 Hz 
P_low = .5;
P_high = 2;
dat_filt_Z_p = bandpassfilt(trace', dt, P_high, P_low); 
%% quick plot
figure
subplot(2,1,1)
plot(trace)
title('Unfiltered')
subplot(2,1,2)
plot(dat_filt_Z_p)
title('Filtered')

It gives the error

Error using *

Inner matrix dimensions must agree.

Error in butter>buttnum (line 179)

b = real(b*(kern*den(:))/(kern*b(:)));

Error in butter (line 133)

num = buttnum(btype,n,Wn,Bw,analog,den);

Error in bandpassfilt (line 7)

[b,a] = butter(1,[low, high].*(2*dt),'bandpass');

Error in quick_filt (line 16)

dat_filt_Z_p = bandpassfilt(trace', dt, P_high, P_low);

I am also getting errors for using the lines of code given as example in the documentation

Input

low=0.5;
high=2;
dt=1/250;
[b,a] = butter(1,[low, high].*(2*dt));

Error

Index exceeds matrix dimensions.

Error in zp2ss (line 131)

a1 = t\[-den(2) -den(3); 1 0]*t;

Error in butter (line 97)

[a,b,c,d] = zp2ss(z,p,k);

[Mathieu NOE]

hello

your code works on my R2020b without any issue

funny the my butter function does not have the

zp2ss

function in line 131 where your error appears , so I wonder if your version of butter is corrupt or ?

this is mine :

% [CODE removed due to:]
%   Copyright 1998-2019 The MathWorks, Inc.

[Olumide Adedeji]

I really don't know to be honest, I even downgraded to 2018b and I am still getting thesame error

[Mathieu NOE]

Well, you probably should ask the technical support of the vendor....

[DGM]

Is it possible that the function butter() has been overloaded?