ANFIS runing ptoblem ! Please help

I trired to runing ANFIS for predicted data as in code , but gave this error :\

Error in anfis (line 67)

[varargout{1:nargout}] = anfisWithOptionObject(trn_data,varargin{1});

Error in test8 (line 8)

[fis1,error1,ss,fis2,error2] = anfis( [trnData chkData] ,options);

clear all;
trnData=xlsread('diffrentnorm.xlsx',1,'A1:A7000') ; 
  chkData=xlsread('diffrentnorm.xlsx',1,'C1:C7000') ; 

fis = genfis(trnData,chkData, genfisOptions('GridPartition'));

options = anfisOptions('InitialFIS',fis,'ValidationData',chkData);
 [fis1,error1,ss,fis2,error2] = anfis( [trnData , chkData] ,options);

Answer 1

[Furat Alobaidy]

trndata = is input data (1: 7000)

chkdata = is output data (target data) (1::7000)