java.lang.NoSuchMethodError: No such DSL method 'when' found among steps [archive, bat, bbs_checkout, build, catchError, checkout, container, containerLog, deleteDir, dir, dockerFingerprintFrom, dockerFingerprintRun, dockerNode, echo, emailext, emailextrecipients, envVarsForTool, error, fileExists, findBuildScans, getContext, git, input, isUnix, junit, library, libraryResource, load, lock, mail, milestone, node, parallel, podTemplate, powershell, properties, publishChecks, pwd, pwsh, readFile, readTrusted, resolveScm, retry, script, setGitHubPullRequestStatus, sh, slackSend, slackUploadFile, slackUserIdFromEmail, slackUserIdsFromCommitters, sleep, sshCommand, sshGet, sshPut, sshRemove, sshScript, stage, stash, step, timeout, timestamps, tm, tool, unarchive, unstable, unstash, validateDeclarativePipeline, waitForQualityGate, waitUntil, warnError, withChecks, withContext, withCredentials, withDockerContainer, withDockerRegistry, withDockerServer, withEnv, withGradle, wrap, writeFile, ws] or symbols [BbS, BitbucketSCMStep, BitbucketWebhookMultibranchTriggerImpl, BitbucketWebhookTriggerImpl, Number, Open, all, allBranchesSame, allOf, allowRunOnStatus, always, ant, antFromApache, antOutcome, antTarget, any, anyOf, apiToken, architecture, archiveArtifacts, artifactManager, asIsGITScm, attach, authorizationMatrix, batchFile, bitbucket, bitbucketBranchDiscovery, bitbucketForkDiscovery, bitbucketPublicRepoPullRequestFilter, bitbucketPullRequestDiscovery, bitbucketSshCheckout, bitbucketTagDiscovery, bitbucketTrustEveryone, bitbucketTrustNobody, bitbucketTrustProject, bitbucketTrustTeam, bitbucketWebhookConfiguration, bitbucketWebhookRegistration, booleanParam, branch, branchCreated, branches, brokenBuildSuspects, brokenTestsSuspects, buildButton, buildDiscarder, buildDiscarders, buildParameter, buildRetention, buildSelector, buildUser, buildingTag, builtInNode, caseInsensitive, caseSensitive, certificate, changeRequest, changelog, changeset, checkoutToSubdirectory, choice, choiceParam, cleanWs, clock, close, command, commentPattern, commit, commitChanged, commitMessagePattern, configMapVolume, containerEnvVar, containerLivenessProbe, containerTemplate, copyArtifactPermission, copyArtifacts, copyartifact, created, credentials, cron, crumb, culprits, default, defaultFolderConfiguration, defaultView, deleted, demand, description, developers, disableConcurrentBuilds, disableResume, docker, dockerCert, dockerServer, dockerTool, dockerfile, downstream, dumb, durabilityHint, dynamicPVC, email-ext, emptyDirVolume, emptyDirWorkspaceVolume, envVar, envVars, envVarsFilter, environment, equals, expression, file, fileParam, filePath, fingerprint, fingerprints, frameOptions, freeStyle, freeStyleJob, fromDocker, fromScm, fromSource, git, gitBranchDiscovery, gitHub, gitHubBranchDiscovery, gitHubBranchHeadAuthority, gitHubEvents, gitHubExcludeArchivedRepositories, gitHubExcludePublicRepositories, gitHubForkDiscovery, gitHubPRStatus, gitHubPlugin, gitHubPullRequestDiscovery, gitHubSshCheckout, gitHubTagDiscovery, gitHubTopicsFilter, gitHubTrustContributors, gitHubTrustEveryone, gitHubTrustNobody, gitHubTrustPermissions, gitTagDiscovery, github, githubBranches, githubPRAddLabels, githubPRClosePublisher, githubPRComment, githubPRMessage, githubPRRemoveLabels, githubPRStatusPublisher, githubPlugin, githubPullRequests, githubPush, gradle, hashChanged, headRegexFilter, headWildcardFilter, hostPathVolume, hostPathWorkspaceVolume, hyperlink, hyperlinkToModels, inheriting, inheritingGlobal, installSource, isRestartedRun, javadoc, jdk, jdkInstaller, jgit, jgitapache, jnlp, jobBuildDiscarder, jobName, junitTestResultStorage, kubeconfig, kubernetes, label, labels, labelsAdded, labelsExist, labelsNotExist, labelsPatternExists, labelsRemoved, lastCompleted, lastDuration, lastFailure, lastGrantedAuthorities, lastStable, lastSuccess, lastSuccessful, lastWithArtifacts, latestSavedBuild, legacy, legacySCM, list, local, location, logRotator, loggedInUsersCanDoAnything, mailer, masterBuild, maven, maven3Mojos, mavenErrors, mavenGlobalConfig, mavenMojos, mavenWarnings, merge, message, modernSCM, myView, namedBranchesDifferent, never, newContainerPerStage, nfsVolume, nfsWorkspaceVolume, noGITScm, node, nodeProperties, nonInheriting, nonMergeable, none, not, oauth-consumer-create, onFailure, override, overrideIndexTriggers, paneStatus, parallelsAlwaysFailFast, parameters, password, pattern, permalink, permanent, persistentVolumeClaim, persistentVolumeClaimWorkspaceVolume, pipeline, pipeline-model, pipeline-model-docker, pipelineTriggers, plainText, plugin, podAnnotation, podEnvVar, podLabel, pollSCM, portMapping, preserveStashes, projectNamingStrategy, proxy, pruneTags, pullRequest, pullRequests, queueItemAuthenticator, quietPeriod, rateLimit, rateLimitBuilds, recipients, requestor, resourceRoot, restriction, restrictions, retainOnlyVariables, run, runParam, sSHLauncher, schedule, scmRetryCount, scriptApproval, scriptApprovalLink, search, secretEnvVar, secretVolume, security, shell, simpleBuildDiscarder, skipDefaultCheckout, skipStagesAfterUnstable, slackNotifier, slave, sourceRegexFilter, sourceWildcardFilter, specific, ssh, sshPublicKey, sshUserPrivateKey, standard, status, statusOnPublisherError, string, stringParam, suppressAutomaticTriggering, swapSpace, tag, tags, teamSlugFilter, text, textParam, timestamper, timestamperConfig, timezone, tmpSpace, toolLocation, triggeredBy, unsecured, untrusted, upstream, upstreamDevelopers, userSeed, usernameColonPassword, usernamePassword, viewsTabBar, weather, withAnt, withSonarQubeEnv, workspace, x509ClientCert, zip] or globals [currentBuild, docker, env, params, pipeline, scm]
at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:216) 
at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:122) 
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
...

stage('Deployment'){
        when { triggeredBy 'SCMTrigger'}
            stage('Deploy to TestEnvironment'){
                def remote = [:]
                remote.name = 'TestEnv'
                remote.host = '10.100.100.100'
            }
    }