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

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at org.apache.poi.xwpf.converter.core.utils.XWPFTableUtil.getGridColList(
at org.apache.poi.xwpf.converter.core.utils.XWPFTableUtil.computeColWidths(
at org.apache.poi.xwpf.converter.core.XWPFDocumentVisitor.visitTable(
at org.apache.poi.xwpf.converter.core.XWPFDocumentVisitor.visitBodyElements(
at org.apache.poi.xwpf.converter.core.XWPFDocumentVisitor.start(
at org.apache.poi.xwpf.converter.pdf.PdfConverter.doConvert(
at org.apache.poi.xwpf.converter.pdf.PdfConverter.doConvert(
at org.apache.poi.xwpf.converter.core.AbstractXWPFConverter.convert(
at various.testklasse.createPDF(
at various.testklasse.main(

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