CWLIN1502W The target mapping for the `0` default Web module cannot be found. Therefore, the target mapping for the `1` generated Enterprise JavaBeans (EJB) module cannot be set.

Explanation
The target mapping is not valid. If the target mapping of the generated EJB module is not set, the application might not start properly.
User response
Specify a valid target for the default Web module, and repeat the installation.