ORA-36780

Error: ORA-36780: (IOSEC01) Current Directory Alias is not set. Cannot complete string.

Causa: The given olap table function used more than one LOOP statement.

Acción: It is currently impossible to specify more than one LOOP composite, either remove one of the statements (and loop densly over relevant dimensions), or create a new composite that encompasses both loops and have a single loop statement refer to that.