[minor] fixes in bom tree view template
diff --git a/erpnext/manufacturing/doctype/bom/bom_item_preview.html b/erpnext/manufacturing/doctype/bom/bom_item_preview.html
index 9db19a0..c782f7b 100644
--- a/erpnext/manufacturing/doctype/bom/bom_item_preview.html
+++ b/erpnext/manufacturing/doctype/bom/bom_item_preview.html
@@ -15,7 +15,9 @@
<a style="margin-right: 7px; margin-bottom: 7px" class="btn btn-default btn-xs" href="#Form/BOM/{{ data.value }}">
{{ __("Open BOM {0}", [data.value.bold()]) }}</a>
{% endif %}
+ {% if data.item_code %}
<a class="btn btn-default btn-xs" href="#Form/Item/{{ data.item_code }}">
{{ __("Open Item {0}", [data.item_code.bold()]) }}</a>
+ {% endif %}
</p>
</div>
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