This is the content of the error log on the VM Machine Oracle Home Page: The RDBMS Oracle Home located at /home/Oracle/PROD/db/tech_st/11.1.0 has already some contents. Please choose a new location which is empty

[Oracle@Linux ~]$ ls
Desktop Downloads Music Pictures Public Templates
Documents media oradiag_Oracle PROD stage Videos
[Oracle@Linux ~]$ cd PROD
[Oracle@Linux PROD]$ ls
apps db inst
[Oracle@Linux PROD]$ cd db
[Oracle@Linux db]$ ls
apps_st tech_st
[Oracle@Linux db]$ cd apps_st
[Oracle@Linux apps_st]$ ls
data
[Oracle@Linux apps_st]$ cd tech_st
bash: cd: tech_st: No such file or directory
[Oracle@Linux apps_st]$ cd db
bash: cd: db: No such file or directory
[Oracle@Linux apps_st]$ cd /home/Oracle
[Oracle@Linux ~]$ cd db
bash: cd: db: No such file or directory
[Oracle@Linux ~]$ cd PROD
[Oracle@Linux PROD]$ ls
apps db inst
[Oracle@Linux PROD]$ cd db
[Oracle@Linux db]$ ls
apps_st tech_st
[Oracle@Linux db]$ cd tech_st
[Oracle@Linux tech_st]$ ls
11.1.0
[Oracle@Linux tech_st]$ cd 11.1.0
[Oracle@Linux 11.1.0]$ ls
admin csmig jdbc opmn root.sh.old
adstats.sql css jdk oracore root.sh.old.1
apex ctx jlib oradata scheduler
appsutil dbs jpub oraInst.loc slax
appsutil.BAK demo ldap ord sqldeveloper
appsutil.old diag lib oui sqlj
appsutil.zip diagnostics log owb sqlplus
appsutil.zip.old emcli md owm srvm
assistants has mesg perl sysman
bin hs mgw plsql temp
ccr install network precomp ucp
cdata install.platform nls PROD_linux.env uix
cfgtoollogs instantclient oc4j racg ultrasearch
clone inventory odbc rdbms wwg
config j2ee olap relnotes xdk
crs javavm OPatch root.sh
[Oracle@Linux 11.1.0]$