ora_vdb_masking_prep.sh gets ORA-02236

[Ranzo3]

** Expected Behavior**
Configure VDB for Masking
** Actual Behavior**
Thu Oct 15 23:43:57 UTC 2020 - INFO: begin preparing "MYSRCV1" (/u01/app/oracle/product/18.3.0.0/db1) for masking...
./MYSRCV1/config-clone/scripts/ora_vdb_masking_prep.sh: line 153: show: command not found

display old UNDO settings prior to preparation for masking...

NAME TYPE VALUE

---

undo_retention integer 900

create new UNDO tablespace...
create bigfile undo tablespace undo_delphix_masking datafile size 4G autoextend on next 1G maxsize 1024G retention guarantee
*
ERROR at line 1:
ORA-02236: invalid file name

[Ranzo3]

Maybe this expect OMF to be on, or maybe it fails to correctly extract the path to the datafiles.