Update project.py
diff --git a/erpnext/projects/doctype/project/project.py b/erpnext/projects/doctype/project/project.py
index 148b701..a66fac3 100644
--- a/erpnext/projects/doctype/project/project.py
+++ b/erpnext/projects/doctype/project/project.py
@@ -514,6 +514,7 @@
 	data = frappe.db.sql(""" SELECT name from `tabProject Update`
 		WHERE project = %s and date = %s """, (project, today()))
 
+	# len(data) > 1 condition is checked for twicely frequency
 	if data and (frequency in ['Daily', 'Weekly'] or len(data) > 1):
 		return False