HTML 
<template for:each={showButtons} for:item="lang">
        <span data-value={lang.label} key={lang.label} onclick={choosePicklist}>
            <button class={button} onclick={handleBtnClick}>
                {lang.label} 
            </button>&nbsp;&nbsp;&nbsp;
        </span>
</template>
JS 
showButtons = [{"label":"First Button"},{"label":"Second Button"},{"label":"Third Button"},{"label":"Fourth Button"}];
 This is the code for please help me with this.

Thanks in advance,

I have tried everything but I am enabled to locate my products in the contract line items other products are there custom and standard but not the products i have just created please help with this.

Thank you in advance.
Ravi Panchal

I have tried many times but could not start admin records with approval processes' unit 2 which is Build an approval process. Please help solve this problem. I have already posted my question on trailhead. on trailhead I have attached video of that problem.

https://trailhead.salesforce.com/trailblazer-community/files/0694S000003IC9yQAG?tab=overview

If I want to get an account phone and update it on Opportunity,  the field name is  'Account_Phone__c'  please help me write a trigger to achieve this 
Thank you in advance.

Create one Task record where
ActivityDate = {!$Flow.CurrentDateTime} (7/11/2022, 11:18 PM)
Description = {!$Label.Accouunt_Flow_label} (This label is from auto launch flow.)
OwnerId = {!ownerId} (0015h00000puR7OAAU)
Priority = High
Status = Not Started
Subject = Call
WhatId = {!recordId} (0015h00000puR7OAAU)
Result
InfoFailed to create record.

This error occurred when the flow tried to create records: FIELD_INTEGRITY_EXCEPTION: Assigned To ID: id value of incorrect type: 0015h00000puR7OAAU. 

please help slove this i can't execute my appex class code
Whenever i try to execute my program i get this error .

public class Demo1 {
    
    public void printOutput(String stringToDisplay){
    System.debug('Display text: ' + stringToDisplay);
}
} 

Demo1 d1 = new Demo1();
d1.printOutput('Hello World');

this what i am trying execute.
 

I have tried many times but could not start admin records with approval processes' unit 2 which is Build an approval process. Please help solve this problem. I have already posted my question on trailhead. on trailhead I have attached video of that problem.

https://trailhead.salesforce.com/trailblazer-community/files/0694S000003IC9yQAG?tab=overview

If I want to get an account phone and update it on Opportunity,  the field name is  'Account_Phone__c'  please help me write a trigger to achieve this 
Thank you in advance.

Create one Task record where
ActivityDate = {!$Flow.CurrentDateTime} (7/11/2022, 11:18 PM)
Description = {!$Label.Accouunt_Flow_label} (This label is from auto launch flow.)
OwnerId = {!ownerId} (0015h00000puR7OAAU)
Priority = High
Status = Not Started
Subject = Call
WhatId = {!recordId} (0015h00000puR7OAAU)
Result
InfoFailed to create record.

This error occurred when the flow tried to create records: FIELD_INTEGRITY_EXCEPTION: Assigned To ID: id value of incorrect type: 0015h00000puR7OAAU. 

please help slove this i can't execute my appex class code
Whenever i try to execute my program i get this error .

public class Demo1 {
    
    public void printOutput(String stringToDisplay){
    System.debug('Display text: ' + stringToDisplay);
}
} 

Demo1 d1 = new Demo1();
d1.printOutput('Hello World');

this what i am trying execute.