Fix merge issue flexible backend (#1685)

* Fix merge issue flexible backend

* Fix tests

* Try fix tests

* Try fix tests

docs/docs/developer/local-setup.mdx

@@ -85,6 +85,17 @@ Create a `twenty` user with password `twenty`:
 ```sql
 CREATE USER twenty PASSWORD 'twenty';
 ALTER USER twenty CREATEDB;
+```
+
+Create `metadata` schema:
+```sql
+CREATE SCHEMA IF NOT EXISTS "metadata";
+GRANT ALL ON SCHEMA metadata TO twenty;
+```
+
+Activate `uuid-ossp` extension: 
+```sql
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
 ```
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