Merge pull request #13309 from gavindsouza/exempt-button-customize

fix(DocType): Skip field name conflict validation for No value fields

frappe/core/doctype/doctype/doctype.py

@@ -18,6 +18,7 @@ from frappe import _
 from frappe.utils import now, cint
 from frappe.model import no_value_fields, default_fields, data_fieldtypes, table_fields, data_field_options
 from frappe.model.document import Document
+from frappe.model.base_document import get_controller
 from frappe.custom.doctype.property_setter.property_setter import make_property_setter
 from frappe.custom.doctype.custom_field.custom_field import create_custom_field
 from frappe.desk.notifications import delete_notification_count_for
@@ -107,8 +108,6 @@ class DocType(Document):
 		if self.name in core_doctypes:
 			return
 
-		from frappe.model.base_document import get_controller
-
 		try:
 			controller = get_controller(self.name)
 		except ImportError:
@@ -123,6 +122,9 @@ class DocType(Document):
 		}
 
 		for docfield in self.get("fields") or []:
+			if docfield.fieldtype in no_value_fields:
+				continue
+
 			conflict_type = None
 			field = docfield.fieldname
 			field_label = docfield.label or docfield.fieldname