Symfony version(s) affected

7.3.*

Description

Bug Report

Summary

Installation of Symfony 7.3 webapp fails with YAML syntax error in config/packages/csrf.yaml file during the importmap:require script execution.

Environment

• Symfony Version: 7.3.*
• Installation Command: symfony new fashion_7_3_1 --version="7.3.*" --webapp

Error Details

Configuring symfony/asset-mapper (>=6.4): From github.com/symfony/recipes:main
Executing script importmap:require [KO]
[KO]
Script importmap:require returned with error code 1
!!
!! In FileLoader.php line 177:
!!
!! The file "E:\PLANETA\fashion_7_3_1/config/packages/csrf.yaml" does not contain valid YAML: A colon cannot be used i
!! n an unquoted mapping value at line 6 (near " token_id: submit") in E:\PLANETA\fashion_7_3_1/config/packages/csr
!! f.yaml (which is being imported from "E:\PLANETA\fashion_7_3_1\src\Kernel.php").
!!
!!
!! In YamlFileLoader.php line 786:
!!
!! The file "E:\PLANETA\fashion_7_3_1/config/packages/csrf.yaml" does not contain valid YAML: A colon cannot be used i
!! n an unquoted mapping value at line 6 (near " token_id: submit").
!!
!!
!! In Parser.php line 800:
!!
!! A colon cannot be used in an unquoted mapping value at line 6 (near " token_id: submit").
!!
!!

The installation fails during the symfony/asset-mapper configuration step with the following error:

Expected Behavior

The symfony new command should complete successfully without YAML syntax errors, creating a working Symfony 7.3 webapp project.

Actual Behavior

Installation fails with YAML parsing error in the csrf.yaml configuration file at line 6, specifically around token_id: submit.

Steps to Reproduce

1. Run command: symfony new_project --version="7.3.*" --webapp
2. Installation proceeds until symfony/asset-mapper configuration
3. importmap:require script fails with YAML syntax error

How to reproduce

Installation Command: symfony new fashion_7_3_1 --version="7.3.*" --webapp

Possible Solution

No response

Additional Context

No response