Oracle Message PLS-01709 - value list of INSERT statement, if specified with value list rather than subquery, must be value specification

ERRORvalue list of INSERT statement, if specified with value list rather than subquery, must be value specification
CAUSEIn an INSERT statement, the insert value list, if specified with a value list rather than a subquery, must be value specifications, i.e. no compound expressions or column references. Sect 8.7.
ACTIONNone