-513 THE ALIAS alias-name MUST NOT BE DEFINED ON ANOTHER LOCAL OR REMOTE ALIAS
Explanation
The object indicated by alias-name is a local or remote alias. An alias is not allowed to be defined on a local alias, and it should not be defined on a remote alias.
System action
The statement cannot be processed.
Programmer response
Modify the SQL statement to ensure that all object references are to base tables or views.
SQLSTATE
42924