Internal Server Error: org.apache.fop.fo.ValidationException: "fo:table-body" is missing child elements. Required content model: marker* (table-row+|table-cell+) (See position 124:32) [java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(Unknown Source), java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(Unknown Source), eht.lambda.pdfPrinter.handleRequest(pdfPrinter.java:132), jdk.internal.reflect.GeneratedMethodAccessor58.invoke(Unknown Source), java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source), java.base/java.lang.reflect.Method.invoke(Unknown Source), com.amazonaws.services.lambda.runtime.api.client.EventHandlerLoader$PojoMethodRequestHandler.handleRequest(EventHandlerLoader.java:286), com.amazonaws.services.lambda.runtime.api.client.EventHandlerLoader$PojoHandlerAsStreamHandler.handleRequest(EventHandlerLoader.java:203), com.amazonaws.services.lambda.runtime.api.client.EventHandlerLoader$2.call(EventHandlerLoader.java:907), com.amazonaws.services.lambda.runtime.api.client.AWSLambda.startRuntime(AWSLambda.java:239), com.amazonaws.services.lambda.runtime.api.client.AWSLambda.startRuntime(AWSLambda.java:191), com.amazonaws.services.lambda.runtime.api.client.AWSLambda.main(AWSLambda.java:181)]