we have a very urgent problem we got error:
2018-08-30T12:33:07.383+0300 ERROR [Thttp-nio-8080-exec-29] [] [org.docx4j.XmlUtils$LoggingErrorListener:1537] Cannot find class 'org.docx4j.utils.XSLTUtils'.
javax.xml.transform.TransformerException: Cannot find class 'org.docx4j.utils.XSLTUtils'.
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.passErrorsToListener(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTemplates(Unknown Source)
at org.docx4j.XmlUtils.getTransformerTemplate(XmlUtils.java:1202)
at org.docx4j.jaxb.JaxbValidationEventHandler.getMcPreprocessor(JaxbValidationEventHandler.java:63)
at org.docx4j.openpackaging.parts.JaxbXmlPartXPathAware.unmarshal(JaxbXmlPartXPathAware.java:507)
at org.docx4j.openpackaging.parts.JaxbXmlPartXPathAware.unmarshal(JaxbXmlPartXPathAware.java:346)
at org.docx4j.openpackaging.parts.JaxbXmlPart.getContents(JaxbXmlPart.java:176)
at org.docx4j.openpackaging.parts.JaxbXmlPart.getJaxbElement(JaxbXmlPart.java:198)
at com.services.utils.TemplateFields.injectXml(TemplateFields.java:432)
at com.services.utils.CreateWordByFilter.create_melave_letter(CreateWordByFilter.java:1060)
at com.services.utils.CreateWordByFilter.melave_letter(CreateWordByFilter.java:886)
at com.services.MevakerOperations.createMelaveLetter(MevakerOperations.java:549)
at com.services.MevakerOperations.createMelaveAndReports(MevakerOperations.java:557)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.documentum.bps.outbound.bof.runtime.BOFClient.invokeMethod(BOFClient.java:112)
at com.documentum.bps.outbound.bof.runtime.BofModuleService.executeServiceOperation(BofModuleService.java:149)
at com.documentum.bps.outbound.AbstractService.executeServiceInternal(AbstractService.java:122)
at com.documentum.bps.outbound.AbstractService.execute(AbstractService.java:79)
at com.documentum.bpm.engine.utils.InvokeOutboundService.executeService(InvokeOutboundService.java:109)
at ...