Oracle Message ORA-14404 - partitioned table contains partitions in a different tablespace

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