this error occurs whenever the bp runs in control tower
Step name ‘OCR the card files actual’ has failed. Reason: ‘org.webharvest.exception.ScriptException: Config line 201: single-column block groovy.lang.MissingMethodException: No signature of method: org.webharvest.runtime.variables.NodeVariable.toCanonicalRepresentation() is applicable for argument types: () values: []’