Import/Export using LoadFromFile for types containing standard attributes: error " wt.util.WTException: Loader method com.ptc.core.lwc.server.TypeDefinitionLoader.endProcessTypeDefinition reported a failure"

• Import/Export using LoadFromFile for types containing standard attributes fails with error
  • " wt.util.WTException: Loader method com.ptc.core.lwc.server.TypeDefinitionLoader.endProcessTypeDefinition reported a failure"
• Error while importing types into Target System
• Error present in the Method Server Log: 

"ERROR [RMI TCP Connection(1717)-10.17.0.44] wt.method.MethodContextMonitor.contexts.rmi wcadmin - 2017-06-09 12:45:42.931 -0500, 2sjtik;j3q57ohp;8036;5j21mt;2, -, -, -, <username>, <ip_address>, wt.load.StandardLoadService, importData, , 0, 33, 0.145527161, 3, 0.002488585, 0.84375, 1.358260687
(wt.ixb.publicforhandlers.ixbResource/8) wt.ixb.publicforhandlers.LogHelper$IxbException: Problem in export/import process.
Nested exception is: (wt.ixb.handlers.netmarkets.NMIxResources/108) wt.util.WTException: Loader method com.ptc.core.lwc.server.TypeDefinitionLoader.endProcessTypeDefinition reported a failure
    at wt.ixb.handlers.netmarkets.CsvIxHandler.handleError(CsvIxHandler.java:131)
    at wt.ixb.handlers.netmarkets.CsvIxHandler.createObject(CsvIxHandler.java:246)
    at wt.ixb.actor.PickingExistingObjectActorForPersistable.createObject(PickingExistingObjectActorForPersistable.java:34)
    at wt.ixb.actor.ActorTemplateForPersistable._createObject(ActorTemplateForPersistable.java:340)
    at wt.ixb.publicforhandlers.ClassExporterImporterTemplate.createObjects(ClassExporterImporterTemplate.java:888)
    at wt.ixb.publicforhandlers.ClassExporterImporterTemplate.importElementsBatchDefault(ClassExporterImporterTemplate.java:764)
    at wt.ixb.publicforhandlers.ClassExporterImporterTemplate.importElement(ClassExporterImporterTemplate.java:546)
    at wt.ixb.publicforhandlers.ClassExporterImporterTemplate.importElements(ClassExporterImporterTemplate.java:598)
    at wt.ixb.publicforapps.Importer.importElements(Importer.java:1583)
    at wt.ixb.publicforapps.Importer.importElement(Importer.java:1550)"

"Load failed: (endProcessTypeDefinition) -- com.ptc.core.meta.common.CorrectableException: A "String" attribute cannot be created because database columns of the following datatypes are not available: java.lang.String : count : 1. Contact your system administrator to execute the AddColumns utility to allocate the necessary database columns. -- Loader-context[type: com.deloitte.us.XXXXXX] at com.ptc.core.lwc.server.TypeDefinitionLoader.endProcessTypeDefinition(TypeDefinitionLoader.java:1169)
Loader method com.ptc.core.lwc.server.TypeDefinitionLoader.endProcessTypeDefinition reported a failure
No objects were imported due to the error.
Problem in export/import process.
Nested exception is: wt.util.WTException: Loader method com.ptc.core.lwc.server.TypeDefinitionLoader.endProcessTypeDefinition reported a failure Error loading data from file."