diff --git a/src/core/components/parameter-row.jsx b/src/core/components/parameter-row.jsx
index 653914171b4..42f45bd9b48 100644
--- a/src/core/components/parameter-row.jsx
+++ b/src/core/components/parameter-row.jsx
@@ -158,7 +158,7 @@ export default class ParameterRow extends Component {
             <Markdown source={
                 "<i>Available values</i>: " + paramItemsEnum.map(function(item) {
                     return item
-                  }).toArray().join(", ")}/> 
+                  }).toArray().join(", ")}/>
             : null
           }
 
@@ -181,6 +181,7 @@ export default class ParameterRow extends Component {
                               required={ required }
                               description={param.get("description") ? `${param.get("name")} - ${param.get("description")}` : `${param.get("name")}`}
                               onChange={ this.onChangeWrapper }
+                              errors={ param.get("errors") }
                               schema={ isOAS3 && isOAS3() ? param.get("schema") : param }/>
           }
 
diff --git a/src/core/json-schema-components.js b/src/core/json-schema-components.js
index 07fcada2e23..087b617ca33 100644
--- a/src/core/json-schema-components.js
+++ b/src/core/json-schema-components.js
@@ -1,6 +1,7 @@
 import React, { PureComponent, Component } from "react"
 import PropTypes from "prop-types"
 import { List, fromJS } from "immutable"
+import ImPropTypes from "react-immutable-proptypes"
 //import "less/json-schema-form"
 
 const noop = ()=> {}
@@ -11,6 +12,7 @@ const JsonSchemaPropShape = {
   keyName: PropTypes.any,
   fn: PropTypes.object.isRequired,
   schema: PropTypes.object,
+  errors: ImPropTypes.list,
   required: PropTypes.bool,
   description: PropTypes.any
 }
@@ -20,7 +22,8 @@ const JsonSchemaDefaultProps = {
   onChange: noop,
   schema: {},
   keyName: "",
-  required: false
+  required: false,
+  errors: List()
 }
 
 export class JsonSchemaForm extends Component {
@@ -29,7 +32,7 @@ export class JsonSchemaForm extends Component {
   static defaultProps = JsonSchemaDefaultProps
 
   render() {
-    let { schema, value, onChange, getComponent, fn } = this.props
+    let { schema, errors, value, onChange, getComponent, fn } = this.props
 
     if(schema.toJS)
       schema = schema.toJS()
@@ -37,7 +40,7 @@ export class JsonSchemaForm extends Component {
     let { type, format="" } = schema
 
     let Comp = (format ? getComponent(`JsonSchema_${type}_${format}`) : getComponent(`JsonSchema_${type}`)) || getComponent("JsonSchema_string")
-    return <Comp { ...this.props } fn={fn} getComponent={getComponent} value={value} onChange={onChange} schema={schema}/>
+    return <Comp { ...this.props } errors={errors} fn={fn} getComponent={getComponent} value={value} onChange={onChange} schema={schema}/>
   }
 
 }
@@ -51,14 +54,15 @@ export class JsonSchema_string extends Component {
   }
   onEnumChange = (val) => this.props.onChange(val)
   render() {
-    let { getComponent, value, schema, required, description } = this.props
+    let { getComponent, value, schema, errors, required, description } = this.props
     let enumValue = schema["enum"]
-    let errors = schema.errors || []
+
+    errors = errors.toJS ? errors.toJS() : []
 
     if ( enumValue ) {
       const Select = getComponent("Select")
       return (<Select className={ errors.length ? "invalid" : ""}
-                      title={ errors.length ? errors  : ""}
+                      title={ errors.length ? errors : ""}
                       allowedValues={ enumValue }
                       value={ value }
                       allowEmptyValue={ !required }
@@ -70,14 +74,14 @@ export class JsonSchema_string extends Component {
     if (schema["type"] === "file") {
       return (<Input type="file"
                      className={ errors.length ? "invalid" : ""}
-                     title={ errors.length ? errors  : ""}
+                     title={ errors.length ? errors : ""}
                      onChange={ this.onChange }
                      disabled={isDisabled}/>)
     }
     else {
       return (<Input type={ schema.format === "password" ? "password" : "text" }
                      className={ errors.length ? "invalid" : ""}
-                     title={ errors.length ? errors  : ""}
+                     title={ errors.length ? errors : ""}
                      value={value}
                      placeholder={description}
                      onChange={ this.onChange }
@@ -131,9 +135,10 @@ export class JsonSchema_array extends PureComponent {
   }
 
   render() {
-    let { getComponent, required, schema, fn } = this.props
+    let { getComponent, required, schema, errors, fn } = this.props
+
+    errors = errors.toJS ? errors.toJS() : []
 
-    let errors = schema.errors || []
     let itemSchema = fn.inferSchema(schema.items)
 
     const JsonSchemaForm = getComponent("JsonSchemaForm")
@@ -145,7 +150,7 @@ export class JsonSchema_array extends PureComponent {
     if ( enumValue ) {
       const Select = getComponent("Select")
       return (<Select className={ errors.length ? "invalid" : ""}
-                      title={ errors.length ? errors  : ""}
+                      title={ errors.length ? errors : ""}
                       multiple={ true }
                       value={ value }
                       allowedValues={ enumValue }
@@ -160,7 +165,7 @@ export class JsonSchema_array extends PureComponent {
             let schema = Object.assign({}, itemSchema)
             if ( errors.length ) {
               let err = errors.filter((err) => err.index === i)
-              if (err.length) schema.errors = [ err[0].error + i ]
+              if (err.length) errors = [ err[0].error + i ]
             }
           return (
             <div key={i} className="json-schema-form-item">
@@ -182,12 +187,13 @@ export class JsonSchema_boolean extends Component {
 
   onEnumChange = (val) => this.props.onChange(val)
   render() {
-    let { getComponent, value, schema } = this.props
-    let errors = schema.errors || []
+    let { getComponent, value, errors, schema } = this.props
+    errors = errors.toJS ? errors.toJS() : []
+
     const Select = getComponent("Select")
 
     return (<Select className={ errors.length ? "invalid" : ""}
-                    title={ errors.length ? errors  : ""}
+                    title={ errors.length ? errors : ""}
                     value={ String(value) }
                     allowedValues={ fromJS(schema.enum || ["true", "false"]) }
                     allowEmptyValue={ !this.props.required }
diff --git a/src/core/plugins/spec/reducers.js b/src/core/plugins/spec/reducers.js
index bf8dadf5e33..f49519e0a68 100644
--- a/src/core/plugins/spec/reducers.js
+++ b/src/core/plugins/spec/reducers.js
@@ -52,7 +52,7 @@ export default {
   },
 
   [VALIDATE_PARAMS]: ( state, { payload: { pathMethod, isOAS3 } } ) => {
-    let meta = state.getIn( [ "meta", "paths", ...pathMethod ] )
+    let meta = state.getIn( [ "meta", "paths", ...pathMethod ], fromJS({}) )
     let isXml = /xml/i.test(meta.get("consumes_value"))
 
     return state.updateIn( [ "resolved", "paths", ...pathMethod, "parameters" ], fromJS([]), parameters => {
@@ -68,7 +68,7 @@ export default {
     return state.updateIn( [ "resolved", "paths", ...pathMethod, "parameters" ], fromJS([]), parameters => {
       return parameters.withMutations( parameters => {
         for ( let i = 0, len = parameters.count(); i < len; i++ ) {
-          parameters.setIn([i, "errors"], fromJS({}))
+          parameters.setIn([i, "errors"], fromJS([]))
         }
       })
     })