Please help with the following error, Thank you so much.
ERROR:
Error while creating component for lightning component quick action [Unable to find action 'PhysicalInventoryClaimPDF' on the controller of c:PhysicalInventoryClaimPDF]

COMPONENT:
<aura:component description="PhysicalInventoryClaimPDF" controller="PhysicalInventoryPDFController" implements="force:lightningQuickAction,force:hasRecordId">

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

    <aura:attribute name="recordId" type="Id"/>
    <aura:attribute name="documentId" type="Id"/>
    <aura:attribute name="documentCreated" type="Boolean"/>

    <div>
        <lightning:fileCard fileId="{!v.documentId}" description="{!'Loss and Damage Claim Form'}"/>
    </div>
</aura:component>

CONTROLLER:
({
    doInit: function (component, event, helper) {
        helper.getPdfToDownload(component);
    },

    savePdf: function (component, event, helper) {
        console.log('SAVING');
    },
});

HELPER:
({
 
    getPdfToDownload: function (component) {
        var getPdfAction = component.get("c.PhysicalInventoryClaimPDF");
        getPdfAction.setParams({
            claimId: component.get("v.recordId")
        });
        getPdfAction.setCallback(this, function (response) {
            var responseState = response.getState();
            if (responseState === "SUCCESS") {
                component.set("v.documentId", response.getReturnValue());
                component.set("v.documentCreated", true);
            } else {
                alert("Error message: " + JSON.stringify(response.getError()));
            }
        });
        $A.enqueueAction(getPdfAction);
    }
});