??? No constructor 'com.mathw​orks.toolb​ox.databas​e.sqlExec' with matching signature found. I am not able to resolve this problem

I am getting following error, can you please tell me what will be possible root causes?????

??? No constructor 'com.mathworks.toolbox.database.sqlExec' with matching signature found.

Error in ==> cursor.cursor at 60 curs.Cursor = com.mathworks.toolbox.database.sqlExec(curs.SQLQuery ,connect.Handle);

Error in ==> database.exec at 34 curs=cursor(connect,sqlQuery);

Error in ==> database.insert at 168 cursTemp=exec(connect,writeString);

Error in ==> Load_FRB at 94 insert(conn,'fuzzy_rb',{'Rule_ID','Attribute_ID','Premise_Variable','Dom_Value','Conclusion_Variable','Con_Value'},B1); =================================================================================================

The program is as follows

function [ output_args ] = Load_FRB() %This function generates the dataset of 'nq' question level marks of 'nt' number %of teachers for each 'ns' student. t=0; t=round(xlsread('FRB.xlsx', 'info','C2:C3'))% Read ns, nq, nt from excel file

%na- number of attributes %nv- number of linguistic variabls

na=t(1); nv=t(2);

% Number of records in FRBS

nr_FRBS= power(nv,na); counter_attributes = ones(1,na);

% Set preferences with setdbprefs. s.DataReturnFormat = 'cellarray'; s.ErrorHandling = 'store'; s.NullNumberRead = 'NaN'; s.NullNumberWrite = 'NaN'; s.NullStringRead = 'null'; s.NullStringWrite = 'null'; s.JDBCDataSourceFile = ''; s.UseRegistryForSources = 'yes'; s.TempDirForRegistryOutput = 'C:\Users\SATSOF~1\AppData\Local\Temp'; setdbprefs(s)

% Make connection to database. Note that the password has been omitted. % Using ODBC driver. conn = database('module2','','password');

% Read data from database. If existing data present then it is deleted from % database table marks by followiing commands e1 = exec(conn,'DELETE * FROM fuzzy_rb');

e= fetch(e1);

close(e);

% Identifying how many grade types % Read data from database. e1 = exec(conn,'SELECT DISTINCT type, type_value FROM fuzzyset ORDER by type_value'); c1 = fetch(e1); Grade=c1.data(:,1); close(e1);

% Grade=xlsread('FRB.xlsx', 'grade',range)% Read marks of student(str) of nt teachers from excel file

 [nr_grade nc_grade] = size(Grade);

% Load the marks of question 1 to nq from the excel file

h = waitbar(0,'Loading of Fuzzy Rulebase is in progress. Please wait...');

for i=1:nr_FRBS fprintf('\n ================================================================\n') fprintf('\n Writing Data for Rule Number %d in Fuzzy Rule Base= ',i) fprintf('\n ================================================================\n')

     dom_val = 0.6; % By default value of degree of match is 0.0
     con_val = 0.6; % By default value of confidence of expert is 0.0

     count_total= sum(counter_attributes);
     grade_type_value = count_total/na;

     for y=1:nv
         temp = abs(grade_type_value - y);

         if(y==1)
            distance = temp;
            Conclusion_Variable = Grade(y);
            continue;
         end

         if(temp < distance)
             distance = temp;
             Conclusion_Variable = Grade(y);
         end
     end

      for j=1:na
          Premise=Grade(counter_attributes(j));
          B1={i,j,Premise,dom_val,Conclusion_Variable,con_val}; 

          % Write data to database.
          insert(conn,'fuzzy_rb',{'Rule_ID','Attribute_ID','Premise_Variable','Dom_Value','Conclusion_Variable','Con_Value'},B1);

      end

      k=1;
      count_attributes(k)=count_attributes(k)+1;
      Flag = 1;

      while((k<=na)&& (Flag ==1))

          if(count_attributes(k)<=nv)
              Flag=0;
          end

          if(count_attributes(k)>nv)
              Flag=1;
              count_attributes(k)=1;
              count_attributes(k+1)=count_attributes(k+1)+1;
          end

          k=k+1;
      end

    waitbar(i/ns)
%       
end
   close(h) ;        

   % Close database connection.
close(conn)

 msgbox('Dataset is loaded successfully!!!','Success'); 
    uiwait();
    module2_main;

    fprintf('\n The Data Set is Generated Successfullly!!!!\n')

end