diff --git a/src/utils.py b/src/utils.py
index cefa8a4dd..e764a5cd1 100644
--- a/src/utils.py
+++ b/src/utils.py
@@ -1987,7 +1987,11 @@ def get_acroform(doc):
                 w_obj.pdf_dict_get(pymupdf.PDF_NAME("Parent"))
             )
             if parent_xref == 0:  # parent not in target yet
-                w_obj_graft = mupdf.pdf_graft_mapped_object(graftmap, w_obj)
+                try:
+                    w_obj_graft = mupdf.pdf_graft_mapped_object(graftmap, w_obj)
+                except Exception as e:
+                    pymupdf.message_warning(f"cannot copy widget at {xref=}: {e}")
+                    continue
                 w_obj_tar = mupdf.pdf_add_object(tarpdf, w_obj_graft)
                 tar_xref = w_obj_tar.pdf_to_num()
                 w_obj_tar_ind = mupdf.pdf_new_indirect(tarpdf, tar_xref, 0)
diff --git a/tests/resources/test_4614.pdf b/tests/resources/test_4614.pdf
new file mode 100644
index 000000000..a9f71a819
Binary files /dev/null and b/tests/resources/test_4614.pdf differ
diff --git a/tests/test_4614.py b/tests/test_4614.py
new file mode 100644
index 000000000..d3b466cb6
--- /dev/null
+++ b/tests/test_4614.py
@@ -0,0 +1,10 @@
+import pymupdf
+import os
+
+
+def test_4614():
+    script_dir = os.path.dirname(__file__)
+    filename = os.path.join(script_dir, "resources", "test_4614.pdf")
+    src = pymupdf.open(filename)
+    doc = pymupdf.open()
+    doc.insert_pdf(src)