here is my code:
public class AddPriceModalController {
    @AuraEnabled
    public static List<String> getRegionValues() {
        List<String> lstGeography = new List<String>(); //new list for holding all of the picklist options
        
        Schema.DescribeFieldResult fieldResult = PriceDetail__c.Geography__c.getDescribe();
        List<Schema.PicklistEntry> ple = fieldResult.getPicklistValues();
        
        for( Schema.PicklistEntry f : ple)
        {
            lstGeography.add(f.getValue());
        }
        
        return lstGeography;
    }
    
    @AuraEnabled
    public static List<String> getDeliveryMethodValues() {
        List<String> lstSourceOfSupply = new List<String>(); //new list for holding all of the picklist options
        
        Schema.DescribeFieldResult fieldResult = PriceDetail__c.Source_of_Supply__c.getDescribe();
        List<Schema.PicklistEntry> ple = fieldResult.getPicklistValues();
        
        for( Schema.PicklistEntry f : ple)
        {
            lstSourceOfSupply.add(f.getLabel() + '---' + f.getValue());            
        }
        
        return lstSourceOfSupply;
    }
    //Method to Save the Price Detail Change Request
    @AuraEnabled
    public static String savePriceDetails(Id PDID,PriceDetail__c newPriceDetails) {
        system.debug('savePriceDetails');
        system.debug('newPriceDetails'+newPriceDetails);
        Decimal invoiceCost = 0;
        Decimal netCost = 0;
        Decimal netProfit = 0;
        Decimal retailPrice = 0;
        string resultId;
        //Webservice Call to SAP to get the InvoiceCost and NetCost
        /*invoiceCost = PriceDetailsWebService.getInvoiceCost(PDID);
netCost = PriceDetailsWebService.getNetCost(PDID);*/
        
        String PDSOQL = SObjectUtil.getSOQLStringFullFields(PriceDetail__c.getSObjectType())
            +' WHERE ' + ' Id = :PDID LIMIT 1';
        //List<PriceDetail__c> listPD = Database.query(PDSOQL);
        PriceDetail__c PDRec;
        try{
            PDRec = Database.query(PDSOQL);   
        }catch(Exception e){
            ApplicationLogUtility.logError('SubmitActionController', 'getParentId', e, e.getMessage(), '', 0);
            ApplicationLogUtility.commitLog();
            PDRec = null; 
        }   
        if(PDRec!=null){
            PriceDetail__c clonedPD = PDRec.clone(false, true, false, false);
            clonedPD.InvoiceCost__c = invoiceCost;
            clonedPD.NetCost__c = netCost;
            clonedPD.ClonedFrom__c = PDRec.Id;
            clonedPD.Status__c = Label.Draft;
            clonedPD.RecordTypeId = Schema.SObjectType.PriceDetail__c.getRecordTypeInfosByName().get(Label.PriceDetail_Submit).getRecordTypeId();
            Schema.DescribeSObjectResult objResult = PriceDetail__c.sObjectType.getDescribe();
            for(string apiName : objResult.fields.getMap().keySet()){
                String feildName = apiName;
                if(feildName.endsWith('__c')){
                    if((clonedPD.get(apiName) != newPriceDetails.get(apiName)) && (feildName!= 'ClonedFrom__c')){
                        system.debug('feildName***'+feildName);
                        clonedPD.put(apiName, newPriceDetails.get(apiName));
                    }
                }
            }
            system.debug('clonedPD**'+clonedPD);
            if(clonedPD!=null){
                insert clonedPD;    
            }
            
            resultId = Id.valueOf(clonedPD.Id);
            system.debug('resultId'+resultId);
            
        }
        
        return resultId;
    }
    
    //Method to get the exsisting data from the record
    @AuraEnabled
    public static PriceDetail__c getPriceDetails(Id recordId) {
        system.debug('recordId**'+recordId);
        PriceDetail__c pdRecord = (PriceDetail__c) SObjectUtil.getFullSObject(PriceDetail__c.getSObjectType(), recordId);
        return pdRecord;
        
    }
    
    
    
    
}

here is the test class:
@isTest
private class AddPriceModalControllerTest {
    
    @testSetup 
    static void createData() {
        
        TriggerApexSwitch__c apexSwitchNutritionalDetail = TestDataFactory.createApexSwitchTestData(System.Label.NutritionalDetail);
        insert apexSwitchNutritionalDetail;
        
        //Custom Settings - Insert Record for Account
        TriggerApexSwitch__c apexSwitchAccount = TestDataFactory.createApexSwitchTestData(System.Label.Account);
        insert apexSwitchAccount;
        
                TriggerApexSwitch__c apexSwitchUser = TestDataFactory.createApexSwitchTestData(System.Label.User);
        insert apexSwitchUser;
        
        //Custom Settings - Insert Record for SupplierProductArticle    
        TriggerApexSwitch__c apexSwitchSupplierProductArticle     = TestDataFactory.createApexSwitchTestData(System.Label.SupplierProductArticle);
        insert apexSwitchSupplierProductArticle    ;
          
        //Custom Settings - Insert Record for Price Detail    
        TriggerApexSwitch__c apexSwitchPriceDetail     = TestDataFactory.createApexSwitchTestData(System.Label.PriceDetail);
        insert apexSwitchPriceDetail;
          
        //Custom Settings - Insert Record for Case    
        TriggerApexSwitch__c apexSwitchCase = TestDataFactory.createApexSwitchTestData(System.Label.Case);
        insert apexSwitchCase;  
      
        //Custom Settings - Insert Record for GPA    
        TriggerApexSwitch__c apexSwitchGPA = TestDataFactory.createApexSwitchTestData('GlobalProductArticle');
        insert apexSwitchGPA;  
        
        //Custom Settings - Insert Record for Pack Detail    
        TriggerApexSwitch__c apexSwitchPD = TestDataFactory.createApexSwitchTestData('PackDetail');
        insert apexSwitchPD;  
        
        
        //Custom Settings - Insert Record for Retail price    
        TriggerApexSwitch__c apexSwitchRetail = TestDataFactory.createApexSwitchTestData(System.Label.RetailPrice);
        insert apexSwitchRetail;  
        
        //Custom Settings - Insert Record for GTIN    
        TriggerApexSwitch__c apexSwitchGTIN = TestDataFactory.createApexSwitchTestData(System.Label.GlobalTradeItemNumber);
        insert apexSwitchGTIN; 
       
        
        String ArticleEnrichment = Schema.SObjectType.SupplierProductArticle__c.getRecordTypeInfosByName().get('Article Enrichment').getRecordTypeId();
        
        //Create Test data for Account 
        Account accountRec = TestDataFactory.createAccountTestData(1);       
        insert accountRec;                

        //Custom Settings - Insert Record for Contact    
        TriggerApexSwitch__c apexSwitchContact = TestDataFactory.createApexSwitchTestData(System.Label.Contact);
        insert apexSwitchContact;
        
        //Custom Settings - Insert Record for AccountContactRelation    
        TriggerApexSwitch__c apexSwitchAccountContactRelation = TestDataFactory.createApexSwitchTestData(System.Label.AccountContactRelation);
        insert apexSwitchAccountContactRelation;
        
        //Create Test Data for Contact
        Contact contactRec = TestDataFactory.createContactTestData(1, accountRec.Id);
        insert contactRec;
        
        Global_Product_Article__c gpTest = new Global_Product_Article__c();
        gpTest.Article_Hierarchy_Sub_Category_Name__c = 'Test';
        gpTest.Wow_Article_Number__c = NULL;
        insert gpTest;
        
        SupplierProductArticle__c[] spaList = new List<SupplierProductArticle__c>();
        SupplierProductArticle__c spaTest = new SupplierProductArticle__c();
        spaTest.Account__c = accountRec.Id;
        spaTest.Global_Product_Article__c = gpTest.Id;
        spaTest.RecordTypeId = ArticleEnrichment;
        spaTest.Sub_Status__c = 'Awaiting Documents';
        insert spaTest;
        
        Retail_Price__c[] rpList = new List<Retail_Price__c>();
        Retail_Price__c rpTest = new Retail_Price__c();
        rpTest.SupplierProductArticle__c = spaTest.Id;
        rpTest.Number_of_Units__c = 453;
        rpTest.GTIN__c = '8956353';
        rpList.add(rpTest);
        insert rpList;
        
        PackDetail__c pdTest = TestDataFactory.createPackDetails(gpTest.Id);
        pdTest.GTIN__c = '34802';
        pdTest.NumberOfUnits__c = 34;
        pdTest.Orderable_Unit__c = 'Yes';
        insert pdTest;
        
        PriceDetail__c priceRec = new PriceDetail__c();
        priceRec.SupplierProductArticle__c = spaTest.Id;
        priceRec.BonusStockQualifyingQty__c = 89;
        
        insert priceRec;
        
        priceRec.Orderable_GTIN__c = '34802';
        update priceRec;

        //PDRec.clone(false, true, false, false);
        PriceDetail__c PDRec = new PriceDetail__c();
        PDRec.InvoiceCost__c = 888;
        PDRec.NetCost__c = 466;
        PDRec.Status__c = Label.Draft;
        PDRec.SupplierProductArticle__c = spaTest.Id;
        PDRec.RecordTypeId = Schema.SObjectType.PriceDetail__c.getRecordTypeInfosByName().get(Label.PriceDetail_Submit).getRecordTypeId();
        insert PDRec;
        
        PriceDetail__c pD = PDRec.clone(false, true, false, false);
            pD.InvoiceCost__c = 999;
            pD.NetCost__c = 577;
            pD.Status__c = Label.Draft;
            pD.SupplierProductArticle__c = spaTest.Id;
            pD.RecordTypeId = Schema.SObjectType.PriceDetail__c.getRecordTypeInfosByName().get(Label.PriceDetail_Submit).getRecordTypeId();
            insert pD;
    }
    
    @isTest static void getRegionValuesTest(){
        System.assertNotEquals(null, AddPriceModalController.getRegionValues());
    }
    
    @isTest static void getDeliveryMethodValuesTest(){
        System.assertNotEquals(null, AddPriceModalController.getDeliveryMethodValues());
    }
    
    @isTest static void savePriceDetailsTest(){
        //List<PriceDetail__c> pD = [Select Id, InvoiceCost__c, NetCost__c, RecordTypeId, Geography__c  FROM PriceDetail__c];
      String PDSOQL = SObjectUtil.getSOQLStringFullFields(PriceDetail__c.getSObjectType())
            +' LIMIT 1';
        PriceDetail__c pD = Database.query(PDSOQL); 
        AddPriceModalController.savePriceDetails(pD.Id, pD);
    }
    
    @isTest static void getgetPriceDetailsTest(){
        List<PriceDetail__c> pD = [Select Id, InvoiceCost__c, NetCost__c, RecordTypeId  FROM PriceDetail__c];
        System.assertNotEquals(null, AddPriceModalController.getPriceDetails(pD[0].Id));
    }
}

the catch method in my class is not covered by the test class.

here is the separate code of my try-catch method above:
   
    PriceDetail__c PDRec;
        try{
            PDRec = Database.query(PDSOQL);   
        }catch(Exception e){
            ApplicationLogUtility.logError('SubmitActionController', 'getParentId', e, e.getMessage(), '', 0);
            ApplicationLogUtility.commitLog();
            PDRec = null; 

what should i do to cover the catch method by the test class ?