Invalid output of ICFUN. ICFUN must return a column vector. (pdepe) Can someone help me with this error?

% ceiso pde's yn matlab

%dp1/dt=d/dt(Ddp1/dr)+gp1(1-p1-p2)-d1p2p1

%dp2/dt=d/dt(Ddp2/dr)+gp2(1-p1-p2)-d2p2p1

clear all; clc; close all;

function [p1,f,s] = tryonepde(r,t,u,dudr)

%constants

g1=0.0695; %per hour

g2=0.0695; %per hour

ns=0.05*10^6 %saturation for n2

D=0.0132; %mm^2/h

t=24;%hours

p1=[1;1];

f=[D*dudr(1)

D*dudr(2)];

s=[g*u(1)*(1-u(1)-u(2))-d1*u(2)*u(1);

g*u(2)*(1-u(1)*u(2))-d2*u(2)*u(1)];

end

function u0=attemptonepdeic(r)

u0=[0.5;0.77];

t(1)=0

end

function [a1,b1,as,bs]=attemptonepdebc(r1,u1,rs,us,t)

a1=[0,0];

b1=[1,1];

as=a1;

bs=b1;

end

% r=linspace(0,0.005,24);

% t=linspace(0,0.005,24);

% m=1;

% sol=pdepe(m,@tryonepde, @attemptonepdeic, @attemptonepdebc ,r,t);

% p1 = sol(:,:,1);

% p2 = sol(:,:,2);

% surf(r,t,p1)

% title('p1(r,t): title')

% xlabel('d')

% ylabel('t')

%

% surf(r,t,p2)

% title('p2(r,t): title')

% xlabel('d')

% ylabel('t')

%

% plot(r,p2(end,:))

% title('title')

%

% plot(r,p1(end,:))

% title('title')