eu.cec.cwcm.common.transform.TransformException: file:/ec/prod/server/wcm/procs/bin/wcmcom/ec.europa.eu/culture/culture_functions.xsl/null [79:165] : java.lang.NullPointerException
	at eu.cec.cwcm.common.transform.StandardTransformer.transform(StandardTransformer.java:298)
	at eu.cec.cwcm.common.transform.StandardTransformer.transform(StandardTransformer.java:183)
	at eu.cec.cwcm.common.rendition.RenditionCreator.transform(RenditionCreator.java:366)
	at eu.cec.cwcm.common.rendition.RenditionCreator.transform(RenditionCreator.java:344)
	at eu.cec.cwcm.common.rendition.RenditionCreator.generateAndSave(RenditionCreator.java:176)
	at eu.cec.cwcm.procs.regeneration.logic.RegenerationLogic.execute(RegenerationLogic.java:165)
	at eu.cec.cwcm.procs.regeneration.logic.RegenerationLogic.performRegeneration(RegenerationLogic.java:119)
	at eu.cec.cwcm.procs.regeneration.logic.RegenerationLogic.process(RegenerationLogic.java:82)
	at eu.cec.cwcm.procs.queue.process.Process.startReadProcessLoop(Process.java:123)
	at eu.cec.cwcm.procs.queue.process.Process.run(Process.java:81)
	at java.lang.Thread.run(Thread.java:619)
Caused by: javax.xml.transform.TransformerException: org.apache.xml.utils.WrappedRuntimeException: java.lang.NullPointerException
	at org.apache.xalan.templates.ElemValueOf.execute(ElemValueOf.java:338)
	at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
	at org.apache.xalan.transformer.TransformerImpl.transformToRTF(TransformerImpl.java:1861)
	at org.apache.xalan.transformer.TransformerImpl.transformToRTF(TransformerImpl.java:1790)
	at org.apache.xalan.templates.ElemVariable.getValue(ElemVariable.java:355)
	at org.apache.xalan.templates.ElemVariable.execute(ElemVariable.java:291)
	at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
	at org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:435)
	at org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.java:273)
	at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
	at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:710)
	at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
	at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:710)
	at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:425)
	at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:216)
	at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2339)
	at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(TransformerImpl.java:2160)
	at org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1213)
	at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:668)
	at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1129)
	at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1107)
	at eu.cec.cwcm.common.transform.StandardTransformer.transform(StandardTransformer.java:296)
	... 10 more
Caused by: org.apache.xml.utils.WrappedRuntimeException: java.lang.NullPointerException
	at org.apache.xpath.axes.FilterExprIteratorSimple.executeFilterExpr(FilterExprIteratorSimple.java:118)
	at org.apache.xpath.axes.FilterExprWalker.setRoot(FilterExprWalker.java:168)
	at org.apache.xpath.axes.WalkingIterator.setRoot(WalkingIterator.java:138)
	at org.apache.xpath.axes.LocPathIterator.executeCharsToContentHandler(LocPathIterator.java:284)
	at org.apache.xalan.templates.ElemValueOf.execute(ElemValueOf.java:319)
	... 31 more