"Workflow Action Failed to Trigger Flow The record couldn’t be saved because it failed to trigger a flow. A flow trigger failed to execute the flow with version ID xxxxxxxxxxxxxxxxxx.
Solution as per Success community : The above is expected behavior, and is working as designed. If you should encounter this error, there are a few steps you can take to fix it: Review all code/processes/etc. which trigger the flow, and update the API version to be compatible with all fields in the flow. Each field should have a minimum API version dictated in the SOAP Api Developer's Guide article for the relevant object.
How do I go ahead with the Solution /Where to check the version?