diff --git a/bt5/erp5_pdf_style/SkinTemplateItem/portal_skins/erp5_pdf_style/form_view.xml b/bt5/erp5_pdf_style/SkinTemplateItem/portal_skins/erp5_pdf_style/form_view.xml
index 9dcc4b76b2f726e47361770cc2b1f9aa3a52a623..0edc2c5a892bbecd80c767eb6cb3b1dfa9f0aeaa 100644
--- a/bt5/erp5_pdf_style/SkinTemplateItem/portal_skins/erp5_pdf_style/form_view.xml
+++ b/bt5/erp5_pdf_style/SkinTemplateItem/portal_skins/erp5_pdf_style/form_view.xml
@@ -84,6 +84,7 @@
                                    tal:content="python: str(item)"\n
                                    tal:condition="not:item_list"/>\n
                             <para  style="TableStandard"\n
+                                   tal:on-error="string: ${value} (???)"\n
                                    tal:content="python: [i[0] for i in item_list if i[1] == item][0]"\n
                                    tal:condition="item_list" />\n
                         </tal:block>\n
@@ -93,6 +94,7 @@
                                tal:content="python: str(value)"\n
                                tal:condition="not:item_list" />\n
                             <para  style="TableStandard"\n
+                                   tal:on-error="string: ${value} (???)"\n
                                    tal:content="python: [i[0].replace(\'&amp;nbsp;\', \'\') for i in item_list if i[1] == value][0]"\n
                                    tal:condition="item_list" />\n
                       </tal:block>\n
diff --git a/bt5/erp5_pdf_style/bt/revision b/bt5/erp5_pdf_style/bt/revision
index 7c6ba0fe181de786f8f09b1b8cc1ad6bbc1dd5a4..2ebc6516c7df177c819b752dfac7b5ce5064189f 100644
--- a/bt5/erp5_pdf_style/bt/revision
+++ b/bt5/erp5_pdf_style/bt/revision
@@ -1 +1 @@
-55
\ No newline at end of file
+56
\ No newline at end of file