RCU creation pre-requisite failed - OBIEE 12C

RCU creation pre-requisite failed - OBIEE 12C 

Your DB isn't acceptable as a target.
1.) CDB instead of PDB. 2.) ALE32UTF8. Just read the error message it's all there.

https://blogs.oracle.com/brunoborges/entry/install_fusion_middleware_infrastructure_on
RCU error: "Connecting to a multitenant container database (CDB) is not supported. Instead, connect to a valid pluggble…

https://community.oracle.com/thread/3922043

https://www.google.ch/search?q=obiee+rcu+pdb+site:community.oracle.com&num=100&sa=X&ved=0ahUKEwiau8eawqDMAhVSb5oKHT28BH0QrQIILigEMAE&biw=1258&bih=946&customTheme=otn