Bitrix Framework has a range of automated tests to check the software environment. All tests must pass for Bitrix Framework to work correctly.

Open "Settings > Tools > Site checker":

1. The "Access check" tab: the full check test must pass. Move read-only files and folders beyond the web project location.
2. The "Configuration check" tab: all the test results must be green. Should you see any negative result, contact Bitrix support.

If you encounter any errors while performing this test, such errors must be eliminated before you launch the project.