[Fix] Updating the child doc

frappe/email/doctype/email_queue/email_queue.py

@@ -37,11 +37,11 @@ def retry_sending(name):
 	doc = frappe.get_doc("Email Queue", name)
 	if doc and (doc.status == "Error" or doc.status == "Partially Errored"):
 		doc.status = "Not Sent"
+		for d in doc.recipients:
+			if d.status != 'Sent':
+				d.status = 'Not Sent'
 		doc.save(ignore_permissions=True)
 
-	frappe.db.sql("""update `tabEmail Queue Recipient` set status='Not Sent', modified=%s where parent=%s""",
-		(now_datetime(), name))
-
 @frappe.whitelist()
 def send_now(name):
 	send_one(name, now=True)