String[1] the size property has an invalid size of 0

Hi Everyone,
I have a issue,
I want to use Execute non query activity and call Stored Procedure.
I need to get an output in the SP, I should get name of v1 and v2 value.
But Execute activity Doesn’t work and error description=‘String[1] the size property has an invalid size of 0’
please help me how can ı fix this issue?
My SP below

declare
v1 varchar2(3);
v2 varchar2(50);
begin
_@BB(’’, '’, ‘’,’’, ‘’, 0,0,0,0,0,0, '’,, '’, v1, v2);
dbms_output.put_line(v1);
dbms_output.put_line(v2);
end;


image

@burcu_argun

Check below for your reference

Hope this may help you

Thanks

I saw this , but I don’t know, how can ı apply this? should I change stored procedure? and what should ı do?