From bcc7912c8dc284e6f1b345c9295235ecf4fdce27 Mon Sep 17 00:00:00 2001
From: PJ Fanning <pjfanning@users.noreply.github.com>
Date: Sat, 26 Jul 2025 10:25:03 +0100
Subject: [PATCH] add message to NPE

---
 .../main/java/org/apache/poi/xwpf/usermodel/XWPFParagraph.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/poi-ooxml/src/main/java/org/apache/poi/xwpf/usermodel/XWPFParagraph.java b/poi-ooxml/src/main/java/org/apache/poi/xwpf/usermodel/XWPFParagraph.java
index 44bc523096..d572da627e 100644
--- a/poi-ooxml/src/main/java/org/apache/poi/xwpf/usermodel/XWPFParagraph.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/xwpf/usermodel/XWPFParagraph.java
@@ -58,7 +58,7 @@ public class XWPFParagraph implements IBodyElement, IRunBody, ISDTContents, Para
         this.document = part.getXWPFDocument();
 
         if (document == null) {
-            throw new NullPointerException();
+            throw new NullPointerException("null document in XWPFParagraph");
         }
 
         // Build up the character runs