when i try to save the work flow in workflow designer i am getting below error Server was unable to process request. ---> Value does not fall within the expected range

Hello,

Did you move this workflow from one env. to another?   Sometimes this error refers to the fact that a field name has change, or is incorrect within the list (what is seen is sometimes not the value of the field on the back end).  Can you double check your fields are utilizing the correct names that they expect?

Thanks