java.lang.NullPointerException: This exception has no message.

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This exception has no message.
java.lang.NullPointerException:
at com.solarmetric.kodo.meta.JDOMetaDataParser.startCollection(JDOMetaDataParser.java:278)
at com.solarmetric.kodo.meta.JDOMetaDataParser.startClassElement(JDOMetaDataParser.java:177)
at com.solarmetric.modules.tools.compiler.CFMetaDataParser.startElement(CFMetaDataParser.java:56)
at com.solarmetric.modules.tools.compiler.MetaDataParser.startElement(MetaDataParser.java:238)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:459)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:221)
at org.apache.xerces.impl.XMLNamespaceBinder.emptyElement(XMLNamespaceBinder.java:595)
at org.apache.xerces.impl.dtd.XMLDTDValidator.emptyElement(XMLDTDValidator.java:748)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:747)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1477)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:329)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:525)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:581)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1175)
at com.solarmetric.modules.tools.compiler.MetaDataParser.parseMetaData(MetaDataParser.java:202)
at com.solarmetric.kodo.meta.JDOMetaDataParser.parseMetaData(JDOMetaDataParser.java:91)
at com.solarmetric.modules.tools.compiler.MetaDataParser.parseMetaData(MetaDataParser.java:165)
at com.solarmetric.modules.tools.compiler.MetaDataParser.parseMetaData(MetaDataParser.java:143)
at com.solarmetric.kodo.meta.ClassMetaData.newInstance(ClassMetaData.java:297)
at com.solarmetric.kodo.meta.ClassMetaData.getInstance(ClassMetaData.java:233)
at com.solarmetric.kodo.enhance.JDOEnhancer.(JDOEnhancer.java:258)
at com.solarmetric.kodo.enhance.JDOEnhancer.enhance(JDOEnhancer.java:220)
at com.solarmetric.kodo.enhance.JDOEnhancer.enhance(JDOEnhancer.java:167)
at com.solarmetric.kodo.enhance.JDOEnhancer.main(JDOEnhancer.java:131)

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