Jenkins stage issue

Jenkinsfile

def sourceCodeBranch = params["SOURCE_BRANCH"]
def stage = params["DEPLOY_STAGE"]
def region = 'ap-southeast-2'

node {
    
    stage('Checkout'){
        git credentialsId: 'Github-xx',
        branch: sourceCodeBranch 
        url: 'https://github.com/projectx/repox.git'
    }
    
    stage('Install Dependencies') {
        sh 'npm install'
    }
    
    stage('Deploy') {
        
        withCredentials([usernamePassword(credentialsId: 'DevDeployAgent', passwordVariable: 'accessKeySecret', usernameVariable: 'accessKeyId')]) {

            sh "serverless config credentials --provider aws --key ${accessKeyId} --secret ${accessKeySecret}"

            sh "sls deploy --stage ${stage} --region ${region}"
        }
        
        
    }
}