diff --git a/frappe/database/sqlite/database.py b/frappe/database/sqlite/database.py
index 2e5f98774f..00537cba35 100644
--- a/frappe/database/sqlite/database.py
+++ b/frappe/database/sqlite/database.py
@@ -78,12 +78,12 @@ class SQLiteExceptionUtil:
 		return "too many columns" in str(e)
 
 	@staticmethod
-	def is_primary_key_violation(e: sqlite3.Error) -> bool:
-		return "UNIQUE constraint failed" in str(e)
+	def is_primary_key_violation(e: sqlite3.IntegrityError) -> bool:
+		return e.sqlite_errorcode == 1555
 
 	@staticmethod
-	def is_unique_key_violation(e: sqlite3.Error) -> bool:
-		return "UNIQUE constraint failed" in str(e)
+	def is_unique_key_violation(e: sqlite3.IntegrityError) -> bool:
+		return e.sqlite_errorcode == 2067
 
 	@staticmethod
 	def is_interface_error(e: sqlite3.Error):
diff --git a/frappe/model/base_document.py b/frappe/model/base_document.py
index 960e7cb382..bfd8c9271c 100644
--- a/frappe/model/base_document.py
+++ b/frappe/model/base_document.py
@@ -717,7 +717,7 @@ class BaseDocument:
 				doc.db_update()
 
 	def show_unique_validation_message(self, e):
-		if frappe.db.db_type != "postgres":
+		if frappe.db.db_type == "mariadb":
 			fieldname = str(e).split("'")[-2]
 			label = None