sbt tool window shows multiple project named "project"

I have thisasd weird problem that my scala / sbt multi project has suddenly started showing lots of projects.


Hello, Please see the image above. I have this weird error that my project is showing these erroneous projects. I cannot delete or get rid of them. The path to it is invalid. This is the relevant logs

Caused by: com.intellij.openapi.externalSystem.model.ExternalSystemException: Cannot run program "C:/UBS/Dev/jdk1.7.0_65-32bit/bin/java" (in directory "C:\UBS\Dev\Projects\CCS\Compute\common\project\project\project\project\project\project\project\project\project\project\project\project\project\project\project\project\project\project\project\project"): CreateProcess error=267, The directory name is invalid
CreateProcess error=267, The directory name is invalid
 at org.jetbrains.sbt.project.SbtProjectResolver.resolveProjectInfo(SbtProjectResolver.scala:46)
 at org.jetbrains.sbt.project.SbtProjectResolver.resolveProjectInfo(SbtProjectResolver.scala:22)
 at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:41)
 at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:37)
 at com.intellij.openapi.externalSystem.service.remote.AbstractRemoteExternalSystemService.execute(AbstractRemoteExternalSystemService.java:59)
 at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl.resolveProjectInfo(RemoteExternalSystemProjectResolverImpl.java:37)
 ... 21 more