Oracle Message ORA-14407 - partitioned table contains subpartitions in a different tablespace

ERRORpartitioned table contains subpartitions in a different tablespace
CAUSEAn attempt was made to drop a tablespace which contains tables whose subpartitions are not completely contained in this tablespace
ACTIONfind tables with subpartitions which span the tablespace being dropped and some other tablespace(s). Drop these tables or move subpartitions to a different tablespace