30 uses of REQUIREMENT_ERROR

DbUpdateController::handle in core/modules/system/src/Controller/DbUpdateController.php
Returns a database update page.
drupal_check_module in core/includes/install.inc
Checks a module's requirements.
drupal_verify_profile in core/includes/install.inc
Verifies that all dependencies are met for a given installation profile.
experimental_module_requirements_test_requirements in core/modules/system/tests/modules/experimental_module_requirements_test/experimental_module_requirements_test.install
Implements hook_requirements().
hook_requirements in core/lib/Drupal/Core/Extension/module.api.php
Check installation requirements and do status reporting.
image_requirements in core/modules/image/image.install
Implements hook_requirements().
install_check_requirements in core/includes/install.core.inc
Checks installation requirements and reports any errors.
install_check_translations in core/includes/install.core.inc
Checks installation requirements and reports any errors.
install_display_requirements in core/includes/install.core.inc
Displays installation requirements.
layout_discovery_requirements in core/modules/layout_discovery/layout_discovery.install
Implements hook_requirements().
media_requirements in core/modules/media/media.install
Implements hook_requirements().
mysql_requirements in core/modules/mysql/mysql.install
Implements hook_requirements().
package_manager_requirements in core/modules/package_manager/package_manager.install
Implements hook_requirements().
pgsql_requirements in core/modules/pgsql/pgsql.install
Implements hook_requirements().
ProjectSecurityRequirement::getDateEndRequirement in core/modules/update/src/ProjectSecurityRequirement.php
Gets the security coverage requirement based on an end date.
ProjectSecurityRequirement::getVersionEndRequirement in core/modules/update/src/ProjectSecurityRequirement.php
Gets the requirements based on security coverage until a specific version.
requirements1_test_requirements in core/modules/system/tests/modules/requirements1_test/requirements1_test.install
Implements hook_requirements().
SecurityAdvisoryTest::assertAdminPageLinks in core/modules/system/tests/src/Functional/SecurityAdvisories/SecurityAdvisoryTest.php
Asserts the correct links appear on an admin page.
SecurityAdvisoryTest::assertStatusReportLinks in core/modules/system/tests/src/Functional/SecurityAdvisories/SecurityAdvisoryTest.php
Asserts the correct links appear on the status report page.
SecurityAdvisoryTest::testPsa in core/modules/system/tests/src/Functional/SecurityAdvisories/SecurityAdvisoryTest.php
Tests that a security advisory is displayed.
system_requirements in core/modules/system/system.install
Implements hook_requirements().
testing_requirements_requirements in core/profiles/testing_requirements/testing_requirements.install
Implements hook_requirements().
UpdateHooks::pageTop in core/modules/update/src/Hook/UpdateHooks.php
Implements hook_page_top().
update_script_test_requirements in core/modules/system/tests/modules/update_script_test/update_script_test.install
Implements hook_requirements().
update_script_test_requirements_alter in core/modules/system/tests/modules/update_script_test/update_script_test.install
Implements hook_requirements_alter().
update_system_schema_requirements in core/includes/update.inc
Returns whether the minimum schema requirement has been satisfied.
workspaces_requirements in core/modules/workspaces/workspaces.install
Implements hook_requirements().
_system_advisories_requirements in core/modules/system/system.install
Display requirements from security advisories.
_update_cron_notify in core/modules/update/update.fetch.inc
Performs any notifications that should be done once cron fetches new data.
_update_requirement_check in core/modules/update/update.install
Fills in the requirements array.

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