Issues in Workflow Validation

Following are the errors you may face when trying to validate workflows, with their possible causes and solutions:
Error Message Possible Cause Possible Solution
Invalid Workflow There might be an issue in the workflow. Avoid run time errors by validating the workflow.
  • Illegal flow
    Error Message Possible Cause Possible Solution
    Invalid workflow - illegal flow Multiple task outputs are given as an input to a single task. Use Join task to provide multiple inputs to a task
    Invalid workflow - illegal flow A single task output is connected to multiple tasks. Use Split task to connect single task output to multiple tasks.
  • Broken flow
    Error Message Possible Cause Possible Solution
    Invalid workflow - broken flow A task is not connected to any other tasks in the workflow. Check if all the tasks are connected.
  • Subflow Validation
    Error Message Possible Cause Possible Solution
    Invalid workflow There could be a validation error in the subflows. Check if the subflow(s) have any illegal or broken flows.