Business process engine in rwb showing red color

Hi Experts,

I am facing some issue can u please give me the solution for me how you resolve this issue,BPE is showing red colorin rwb under component monitoring when i am clicked on the bpe it is showing "contains errors"
but it is not showing proper error description and i run the SWF_XI_CUSTOMIZING this transaction also here also every thin is fine could please help me on this case currently im on production environment.i hav gone thru some of the threads but is not solved my issue.

Thanks