Dear,
why I am getting below error while running this query?
select APEX_ITEM.HIDDEN(rownum,ename),ename
from (SELECT COLUMN_VALUE ename FROM xmltable(('"'||REPLACE(trim('a1,a2,a3,a3,a4,a4,a5,a6'),',','","')||'"')))
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ORA-06553: PLS-306: wrong number or types of arguments in call to 'HIDDEN'