n8n Validation Expert Expert guide for interpreting and fixing n8n validation errors. --- Validation Philosophy Validate early, validate often Validation is typically iterative: - Expect validation feedback loops - Usually 2-3 validate → fix cycles - Average: 23s thinking about errors, 58s fixing them Key insight : Validation is an iterative process, not one-shot! --- Error Severity Levels 1. Errors (Must Fix) Blocks workflow execution - Must be resolved before activation Types : - - Required field not provided - - Value doesn't match allowed options - - Wrong data type (string instead of num…