diff --git a/db_scripts/diff/8997.down b/db_scripts/diff/8997.down
new file mode 100644
index 00000000..877c53ad
--- /dev/null
+++ b/db_scripts/diff/8997.down
@@ -0,0 +1,3 @@
+USE provisioning;
+
+DELETE FROM language_strings WHERE code = 'Client.Syntax.UnknownLock';
diff --git a/db_scripts/diff/8997.up b/db_scripts/diff/8997.up
new file mode 100644
index 00000000..d8ce5278
--- /dev/null
+++ b/db_scripts/diff/8997.up
@@ -0,0 +1,6 @@
+USE provisioning;
+
+INSERT INTO language_strings (code,language,string) VALUES ('Client.Syntax.UnknownLock','en','Unknown locklevel');
+INSERT INTO language_strings (code,language,string) VALUES ('Client.Syntax.UnknownLock','de','Unbekannter Locklevel');
+INSERT INTO language_strings (code,language,string) VALUES ('Client.Syntax.UnknownLock','fr','Unknown locklevel');
+INSERT INTO language_strings (code,language,string) VALUES ('Client.Syntax.UnknownLock','es','Unknown locklevel');