with error code validation_error error message: modular models (schema version 1.2) are not supported

[xuanlongvts]

Checklist

• I have looked into the README and have not found a suitable solution or answer.
• I have looked into the documentation and have not found a suitable solution or answer.
• I have searched the issues and have not found a suitable solution or answer.
• I have upgraded to the latest version of OpenFGA and the issue still persists.
• I have searched the OpenFGA Community and have not found a suitable solution or answer.
• I agree to the terms within the OpenFGA Code of Conduct.

Description

when i run: fga model write --store-id=$FGA_STORE_ID --file fga.mod

this is the tutorial: https://openfga.dev/docs/modeling/modular-models

Then, it happ: with error code validation_error error message: modular models (schema version 1.2) are not supported

Expectation

I think it genegrated a dsl file

Reproduction

https://github.com/xuanlongvts/authen-autho/tree/main/open-fga/16_modular_models

Store data

No response

OpenFGA version

latest

How are you running OpenFGA?

As a binary

What datastore are you using?

In-Memory

OpenFGA Flags

fga model write --store-id=$FGA_STORE_ID --file fga.mod

Logs

Error: failed to write model due to WriteAuthorizationModel validation error for POST WriteAuthorizationModel with body {"code":"validation_error","message":"modular models (schema version 1.2) are not supported"}
with error code validation_error error message: modular models (schema version 1.2) are not supported

[rhamzeh]

As of v1.5.2, support for schema 1.2 is still experimental and you need to run the server with the following flag to enable it:
OPENFGA_EXPERIMENTALS=enable-modular-models

See the release notes: https://github.com/openfga/openfga/releases/tag/v1.5.1

Update: https://github.com/openfga/openfga/releases/tag/v1.5.3 enables it by default