Ran into similar issue.  The cause was found to do with following declaration in the parent pom.xml overwritten uber-jar 6.3.0 declaration.                <plugin>                    <groupId>org.apache.felix</groupId>                    <artifactId>maven-scr-plugin</artifactId>                    <...

Is there a patch or hotfix addressing this issue yet?We ran into the identical issue with AEM 6.3.  Attempted to install SP1 (6.3.1.2) and the latest hotfixes available but still unable to traverse to the "Allowed Parents" screen where I need to add the + symbol and add */parsys.