issue with Validate configurations appian 17.2 local machine Windows 10

hi, im tryin to install appian in a local windows, im using this guide: https://docs.appian.com/suite/help/17.4/Quick_Start_Installation_Guide_for_Windows_and_JBoss.html#install-java-jdk
but in step 10, i have to validate the configuration but i get this errors, somebody can help me.

Thanks.

Now i just get this error:

Validation Error in file custom.properties.develop at line jdbc/AppianDS Comma-separated list of JNDI names of data sources on the application server.