constant REQUIREMENT_ERROR

Requirement severity -- Error condition; abort installation.

23 uses of REQUIREMENT_ERROR

admin_bar_links_alert in core/modules/admin_bar/admin_bar.inc: Build alert indicator.
backdrop_check_module in core/includes/install.inc: Checks a module's requirements.
backdrop_verify_profile in core/includes/install.inc: Verifies an installation profile for installation.
file_requirements in core/modules/file/file.install: Implements hook_requirements().
hook_requirements in core/modules/system/system.api.php: Check installation requirements and do status reporting.

core/includes/install.inc, line 35: API functions for installing modules and themes.

define('REQUIREMENT_ERROR', 2)