[Doc] added note to fix Eclipse build

docs/internals/ide_setup.md

@@ -74,6 +74,10 @@ and manually add the Scala and Maven plugins by plugin site at [http:https://scala-ide
 * Or download the [zip file](http:https://download.scala-ide.org/sdk/helium/e38/scala211/stable/update-site.zip), unpack it, and move the contents of the
  "plugins" and "features" folders into the equally named folders of the Eclipse root directory
 
+**NOTE:** It might happen that some modules do not build in Eclipse correctly (even if the maven build succeeds).
+To fix this, right-click in the corresponding Eclipse project and choose "Properties" and than "Maven".
+Uncheck the box labeled "Resolve dependencies from Workspace projects", click "Apply" and then "OK". "
+
 
 ### Eclipse Scala IDE 4.0.0