TypeError: Action failed: force:record$controller$getNewRecord [type error on parameter callback: expected Function, found boolean]
Callback failed: serviceComponent://ui.flexipage.components.page.FlexipageController/ACTION$getPage

<aura:component implements="flexipage:availableForRecordHome,force:hasRecordId">

<aura:attribute name="newContact" type="Object"/>
<aura:attribute name="simpleNewContact" type="Object"/>
<aura:attribute name="newContactError" type="String"/>

<force:recordData aura:id="contactRecordCreator"
    layoutType="FULL"
    targetRecord="{!v.newContact}"
    targetFields="{!v.simpleNewContact}"
    targetError="{!v.newContactError}"
    />

<aura:handler name="init" value="{!this}" action="{!c.doInit}"/>

    <!-- Display a header -->
    <div class="slds-page-header" role="banner">
        <p class="slds-text-heading--label">Create Contact</p>
    </div>

    <!-- Display Lightning Data Service errors -->
    <aura:if isTrue="{!not(empty(v.newContactError))}">
        <div class="recordError">
            <ui:message title="Error" severity="error" closable="true">
                {!v.newContactError}
            </ui:message>
        </div>
    </aura:if>

    <!-- Display the new contact form -->
    <div class="slds-form--stacked">
        <lightning:input aura:id="contactField" name="firstName" label="First Name"
                         value="{!v.simpleNewContact.FirstName}" required="true"/>
      
        <lightning:input aura:id="contactField" name="lastname" label="Last Name"
                      value="{!v.simpleNewContact.LastName}" required="true"/>
                
        <lightning:input aura:id="contactField" name="title" label="Title"
                      value="{!v.simpleNewContact.Title}" />
                      
        <lightning:button label="Save contact" onclick="{!c.handleSaveContact}"
                   variant="brand" class="slds-m-top--medium"/>
   </div>

</aura:component>

({
    doInit: function(component, event, helper) {
        // Prepare a new record from template
        component.find("contactRecordCreator").getNewRecord(
            "Contact", // sObject type (entityAPIName)
            null,      // recordTypeId
            false,     // skip cache?
            $A.getCallback(function() {
                var rec = component.get("v.newContact");
                var error = component.get("v.newContactError");
                if(error || (rec === null)) {
                    console.log("Error initializing record template: " + error);
                }
                else {
                    console.log("Record template initialized: " + rec.sobjectType);
                }
            })
        );
    },

    handleSaveContact: function(component, event, helper) {
        if(helper.validateContactForm(component)) {
            component.set("v.simpleNewContact.AccountId", component.get("v.recordId"));
            component.find("contactRecordCreator").saveRecord(function(saveResult) {
                if (saveResult.state === "SUCCESS" || saveResult.state === "DRAFT") {
                    // record is saved successfully
                    var resultsToast = $A.get("e.force:showToast");
                    resultsToast.setParams({
                        "title": "Saved",
                        "message": "The record was saved."
                    });
                    resultsToast.fire();

                } else if (saveResult.state === "INCOMPLETE") {
                    // handle the incomplete state
                    console.log("User is offline, device doesn't support drafts.");
                } else if (saveResult.state === "ERROR") {
                    // handle the error state
                    console.log('Problem saving contact, error: ' + 
                                 JSON.stringify(saveResult.error));
                } else {
                    console.log('Unknown problem, state: ' + saveResult.state + ', error: ' + JSON.stringify(saveResult.error));
                }
            });
        }
    }
})