Getting error when using Generate Mass Downstream BOMs action on configurable module with Alternate number in BOM Transformer in Windchill MPMLink

• Getting error when using Generate Mass Downstream BOMs action on configurable module with Alternate number in BOM Transformer

• Error in Windchill User Interface 

ATTENTION:

A commit cannot be done when a rollback is in progress.  The following is the rollback stacktrace.
    ROLLBACK: java.base/java.lang.Thread.getStackTrace(Thread.java:1621)
    ROLLBACK: wt.pom.TransactionManager.rollbackTransaction(TransactionManager.java:759)
    ROLLBACK: wt.pom.BasicTransactionMonitor.rollbackTransaction(BasicTransactionMonitor.java:77)
    ROLLBACK: wt.pom.PersistentObjectManager.rollbackTransaction(PersistentObjectManager.java:428)
    ROLLBACK: wt.pom.Transaction.rollback(Transaction.java:779)
    ROLLBACK: wt.fc.StandardPersistenceManager.store(StandardPersistenceManager.java:743)
    ROLLBACK: wt.fc.StandardPersistenceManager.store(StandardPersistenceManager.java:1117)
    ROLLBACK: wt.fc.StandardPersistenceManager.save(StandardPersistenceManager.java:949)
    ROLLBACK: jdk.internal.reflect.GeneratedMethodAccessor749.invoke(Unknown Source)
    ROLLBACK: java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    ROLLBACK: java.base/java.lang.reflect.Method.invoke(Method.java:568)
    ROLLBACK: wt.services.ServiceFactory$ServerInvocationHandler.invoke(ServiceFactory.java:399)
    ROLLBACK: jdk.proxy2/jdk.proxy2.$Proxy39.save(Unknown Source)
    ROLLBACK: com.ptc.windchill.associativity.dao.DefaultPersistableDAO.persist(DefaultPersistableDAO.java:94)
    ROLLBACK: com.ptc.windchill.associativity.transform.part.AbstractPartUsageTransformationDelegate.persistUsageResult(AbstractPartUsageTransformationDelegate.java:823)

• Error observed in MethodServer log 

  ERROR [ajp-nio-127.0.0.1-8010-exec-3] com.ptc.windchill.associativity.transform.StandardTransformService <user> - Error while doing classic transformation com.ptc.windchill.associativity.transform.usage.UsageTransformException: Error while persiting/deleting usages
  Nested exception is: wt.fc.ModificationNotAllowedException: (wt.vc.wip.wipResource/47) wt.vc.wip.WorkInProgressException: <Part Number>, <Part Name>, <Part Version> (Manufacturing) is not checked out and cannot be modified.
  Nested exception is: (wt.vc.wip.wipResource/47) wt.vc.wip.WorkInProgressException: <Part Number>, <Part Name>, <Part Version> (Manufacturing) is not checked out and cannot be modified.
      at wt.vc.wip.StandardWorkInProgressService.validateModifiable(StandardWorkInProgressService.java:619)
      at wt.vc.wip.StandardWorkInProgressService$3.notifyVetoableMultiObjectEvent(StandardWorkInProgressService.java:463)
      at wt.events.StandardKeyedEventBranch.intDispatchEvent(StandardKeyedEventBranch.java:306)
      ...
      at com.ptc.windchill.associativity.transform.part.AbstractPartUsageTransformationDelegate.persistUsageResult(AbstractPartUsageTransformationDelegate.java:823)
      at com.ptc.windchill.associativity.transform.part.AbstractPartUsageTransformationDelegate.createDownstreamUsage(AbstractPartUsageTransformationDelegate.java:176)
      at com.ptc.windchill.associativity.transform.part.SamePartUsageTransformationDelegate.createDownstreamUsage(SamePartUsageTransformationDelegate.java:65)
      at com.ptc.windchill.associativity.transform.structure.DefaultAssociativeStructureTransformationDelegate.createAssociativeUsage(DefaultAssociativeStructureTransformationDelegate.java:35)
      at com.ptc.windchill.associativity.transform.structure.AbstractAssociativeStructureTransformationDelegate.doStructureTransformation(AbstractAssociativeStructureTransformationDelegate.java:39)
      at com.ptc.windchill.associativity.transform.ClassicAssociativeTransformationDelegate.doTransformation(ClassicAssociativeTransformationDelegate.java:102)
      at com.ptc.windchill.associativity.transform.StandardTransformService.doClassicAssociativeTransformation(StandardTransformService.java:316)
      at com.ptc.windchill.associativity.reconciliation.resolver.AbstractAddUsageResolver.doTransform(AbstractAddUsageResolver.java:1762)
      at com.ptc.windchill.associativity.reconciliation.resolver.AbstractMassBOMGenerationDiscrepancyResolver.doTransformNonEquivalent(AbstractMassBOMGenerationDiscrepancyResolver.java:1161)
      at com.ptc.windchill.associativity.reconciliation.resolver.AbstractMassBOMGenerationDiscrepancyResolver.doTransformationForNonEquivalent(AbstractMassBOMGenerationDiscrepancyResolver.java:940)
      at com.ptc.windchill.associativity.reconciliation.resolver.AbstractMassBOMGenerationDiscrepancyResolver.doAllTransformations(AbstractMassBOMGenerationDiscrepancyResolver.java:877)
      at com.ptc.windchill.associativity.reconciliation.resolver.AbstractMassBOMGenerationDiscrepancyResolver.doTransformation(AbstractMassBOMGenerationDiscrepancyResolver.java:468)
      at com.ptc.windchill.associativity.reconciliation.resolver.AbstractAddUsageResolver.resolveDiscrepancies(AbstractAddUsageResolver.java:368)
      at com.ptc.windchill.associativity.reconciliation.resolver.AbstractMassBOMGenerationDiscrepancyResolver.resolve(AbstractMassBOMGenerationDiscrepancyResolver.java:262)
      at com.ptc.windchill.associativity.reconciliation.part.AddedUsageDiscrepancyDelegate.resolve(AddedUsageDiscrepancyDelegate.java:146)
      at com.ptc.windchill.associativity.reconciliation.ReconciliationServiceImpl.verifyAndResolve(ReconciliationServiceImpl.java:923)
      at com.ptc.windchill.associativity.reconciliation.ReconciliationServiceImpl.verifyAndResolve(ReconciliationServiceImpl.java:843)
      at com.ptc.windchill.associativity.reconciliation.ReconciliationServiceImpl.verifyAndResolveMassBOMGenerationDiscrepancies(ReconciliationServiceImpl.java:1483)
      at com.ptc.windchill.associativity.reconciliation.ReconciliationServiceImpl.generateDowmstreamBOM(ReconciliationServiceImpl.java:1447)
      at com.ptc.windchill.associativity.reconciliation.ReconciliationServiceImpl.generateMassBOM(ReconciliationServiceImpl.java:1426)
      at com.ptc.windchill.associativity.reconciliation.ReconciliationServiceImpl.generateDownstreamsBatch(ReconciliationServiceImpl.java:1391)
      at com.ptc.windchill.enterprise.associativity.asb.server.form.GenerateMassMBOMFormProcessor.doOperation(GenerateMassMBOMFormProcessor.java:214)