diff --git a/sql/manual_changes/2026-06-15-fix-fn-numbering-klinik-one-to-one-lab.sql b/sql/manual_changes/2026-06-15-fix-fn-numbering-klinik-one-to-one-lab.sql
new file mode 100644
index 00000000..5febdac3
--- /dev/null
+++ b/sql/manual_changes/2026-06-15-fix-fn-numbering-klinik-one-to-one-lab.sql
@@ -0,0 +1,92 @@
+-- Fix fn_numbering_klinik: change one.m_branch reference to one_lab.m_branch
+-- Caused "Table 'one.m_branch' doesn't exist" error on INSERT into one_klinik.order
+
+DROP FUNCTION IF EXISTS `fn_numbering_klinik`;
+DELIMITER $$
+CREATE DEFINER=`root`@`localhost` FUNCTION `fn_numbering_klinik`(`type` char(30)) RETURNS varchar(25) CHARSET utf8mb4 COLLATE utf8mb4_general_ci
+    READS SQL DATA
+begin	declare number varchar(50);
+	declare prefix varchar(50);
+	declare prefix_date  varchar(50);
+	declare sufix varchar(50);
+	declare counter int;
+	declare dgt int;
+	declare rst varchar(5);
+	declare udt datetime;
+
+
+         select S_NumberingPrefix, S_NumberingPrefixDate, S_NumberingSufix, S_NumberingCounter, S_NumberingDigit, S_NumberingReset,
+             S_NumberingLastUpdated
+             into prefix, prefix_date, sufix, counter, dgt, rst, udt
+             from s_numbering	where S_NumberingType = type	for update;
+
+	if rst = 'D' then
+		if date_format(udt, '%Y-%m-%d') <> date_format(now(), '%Y-%m-%d') then
+			set counter = 1;
+		end if;
+	elseif rst = 'M' then
+		if date_format(udt, '%Y-%m') <> date_format(now(), '%Y-%m') then
+			set counter = 1;
+		end if;
+	elseif rst = 'Y' then
+		if date_format(udt, '%Y') <> date_format(now(), '%Y') then
+			set counter = 1;
+		end if;
+	end if;
+
+	set number = '';
+	if prefix is not null and prefix <> '' then
+		set number = trim(prefix);
+	end if;
+	if prefix_date is not null and prefix_date <> '' then
+		set number = concat(trim(number),date_format(now(),prefix_date));
+
+                if type = 'P' then
+                       set number = concat( prefix,fn_numbering_year(now()));
+                end if;
+
+
+
+               if type = 'L' then
+	               set number = fn_get_prefix_nolab( now() );
+               end if;
+                /*if type = 'PAY' then
+                       set number = concat( trim(prefix),fn_numbering_year(now()), fn_numbering_month(now()) );
+                end if;*/
+	end if;
+
+	if rst = 'X' then
+		set number = counter;
+	else
+                 if type='PAY' then
+                      /*set @s_counter = lpad(counter,dgt,'0');
+                      set @xternal =  (
+                            select numberMapTarget
+                            from number_map
+                            where
+                            numberMapOrigin = @s_counter
+                            limit 0,1
+                       );
+                      set number = concat(trim(number), trim(@xternal) );*/
+ set number = concat(trim(number), lpad(counter,dgt,'0'));
+		else
+                      set number = concat(trim(number), lpad(counter,dgt,'0'));
+                 end if;
+	end if;
+	if sufix is not null and sufix <> '' then
+		set number = concat(trim(number),trim(sufix));
+	end if;
+
+
+
+       if type = 'K' then
+           set @branch_code = (select M_BranchCode from one_lab.m_branch where M_BranchIsActive = 'Y'
+                and M_BranchIsDefault = 'Y' limit 0,1 );
+            set number = concat(number,@branch_code);
+        end if;
+	update s_numbering set S_NumberingCounter = counter + 1, S_NumberingLastUpdated = NOW() where S_NumberingType=type;
+	return trim(number);
+
+
+END$$
+DELIMITER ;