error : Subsequent node not found in workflow builder

[ENRIQUE NUNEZ A]

Hi experts.
i have a problem with a Workflow.
i was working fine with a Zworkflow definition in a Workflow builder, but the last week basis team aply ECC Support Pack Stack 13 
in this week when i try to continue working with this workflow it´s send me a error when i try to activate after check sintaxis
 Subsequent node not found Message no. WD432before the basis team aply de support pack this workflow works fine.
can anybody tell me what can i do.
regards.
enrique