Running CA Endevor under CA ROSCOE BTSO,which uses an 7 character USERID from the AXCB, will cause invalid security violations when using CA Endevor 18.0 and z/OS 2.3 attempts to work with temporary datasets.
BTSO applications may fail to use proper userid in all cases.
CA Roscoe Interactive Environment 6.0
The PTF RO45718 do not work properly when used under z/OS 2.3
Apply PTF LU00537
CA ENDEVOR 18.0 Notes
The Interface to CA Roscoe are discontinued beginning with V18 incremental release 0 (also known as the base release)