diff --git a/addons/point_of_sale/migrations/13.0.1.0.1/end-migration.py b/addons/point_of_sale/migrations/13.0.1.0.1/end-migration.py
index 3168c6f5b522..1cbd9cca49a0 100644
--- a/addons/point_of_sale/migrations/13.0.1.0.1/end-migration.py
+++ b/addons/point_of_sale/migrations/13.0.1.0.1/end-migration.py
@@ -64,6 +64,7 @@ def create_pos_payment_methods(env):
 
 
 def create_pos_payments(env):
+    tmp_pos_config_payment_methods = {}
     env.cr.execute("""
         SELECT DISTINCT absl.id, ppm.id, absl.pos_statement_id,
             absl.name, absl.amount, absl.create_date
@@ -86,6 +87,14 @@ def create_pos_payments(env):
                 'payment_date': st_line[5],
             }
             vals_list += [vals]
+            # Hay clientes con métodos de pagos que ya no están permitidos
+            # los añadimos y posteriormente los eliminamos.
+            payment_method = env["pos.payment.method"].browse(st_line[1])
+            config = env["pos.order"].browse(st_line[2]).session_id.config_id
+            if payment_method not in config.payment_method_ids:
+                config.payment_method_ids |= payment_method
+                tmp_pos_config_payment_methods.setdefault(config, payment_method)
+                tmp_pos_config_payment_methods[config] |= payment_method
         env['pos.payment'].create(vals_list)
     # We need to delete all the lines from sessions not validated in order to not
     # disturb validation
@@ -106,6 +115,9 @@ def create_pos_payments(env):
     env["account.bank.statement"].search(
         [("pos_session_id.state", "!=", "closed")]
     )._end_balance()
+    # Borramos los métodos de pago que ya no están permitidos
+    for config, payment_methods in tmp_pos_config_payment_methods.items():
+        config.payment_method_ids -= payment_methods
 
 
 def fill_stock_warehouse_pos_type_id(env):
diff --git a/addons/stock/migrations/13.0.1.1/post-migration.py b/addons/stock/migrations/13.0.1.1/post-migration.py
index bc39a6bd5ef6..327a7e3becf3 100644
--- a/addons/stock/migrations/13.0.1.1/post-migration.py
+++ b/addons/stock/migrations/13.0.1.1/post-migration.py
@@ -247,7 +247,7 @@ def fill_stock_picking_type_sequence_code(env):
     spt_seq_codes = []
     for picking_type in picking_types:
         prefix = picking_type.sequence_id.prefix
-        if picking_type.warehouse_id:
+        if picking_type.warehouse_id and prefix:
             groups = re.findall(r"(.*)\/(.*)\/", prefix)
             if groups and len(groups[0]) == 2:
                 spt_seq_codes += [(picking_type.id, groups[0][1])]
diff --git a/force-requirements.txt b/force-requirements.txt
new file mode 100644
index 000000000000..5a7715898219
--- /dev/null
+++ b/force-requirements.txt
@@ -0,0 +1,5 @@
+# Needed for OpenUpgrade
+odoorpc==0.7.0
+openupgradelib
+# PngStream' object has no attribute 'chunk_eXIf'
+Pillow==6.1.0