diff --git a/odoo_module_migrate/migration_scripts/text_warnings/migrate_180_190/env_readonly.yaml b/odoo_module_migrate/migration_scripts/text_warnings/migrate_180_190/env_readonly.yaml
new file mode 100644
index 00000000..9f8cfcfe
--- /dev/null
+++ b/odoo_module_migrate/migration_scripts/text_warnings/migrate_180_190/env_readonly.yaml
@@ -0,0 +1,3 @@
+.py:
+  env\.\w+\s*=(?!=):
+    "[19] Environment is read-only: avoid assigning attributes to 'env.<field_name>'. More info: https://github.com/odoo/odoo/pull/188584"