ORA-06550: line 2, column 8: PLS-00306: wrong number or types of arguments in call to 'AUTH1' ORA-06550: line 2, column 1: PL/SQL: Statement ignored
ERR-10460 Unable to run authentication credential check function.

create or replace function "AUTH1" 
( p_login in VARCHAR2 default '128' , 
p_password in VARCHAR2 default '128' ) 
return BOOLEAN 
is 
l_count number ; 
begin 

select count ( * ) into l_count 
from REALTOR 
where UPPER ( login ) = upper ( p_login ) 
    and password = p_password ; 

if l_count > 0 then return true ; 
else return false ; 
end if ; 

end ; 

CREATE TABLE  "REALTOR" 
   (	"ID" NUMBER NOT NULL ENABLE, 
	"FIO" VARCHAR2(100), 
	"LOGIN" VARCHAR2(10), 
	"PASSWORD" VARCHAR2(10), 
	"IS_ADMIN" NUMBER, 
	 CONSTRAINT "REALTOR_PK" PRIMARY KEY ("ID") ENABLE
   ) ;