Errors solved

On this page you can find some of the errors I encountered, and how I solved them.

must be an instance of Symfony\Component\HttpKernel\Event\ResponseEvent, instance of Symfony\Component\HttpKernel\Event\RequestEvent given

Fix Call to deprecated constant REQUEST_TIME: Deprecated in drupal:8.3.0

$entity = \Drupal::entityTypeManager()->getTranslationFromContext($entity);

Call to deprecated function format_date()

Fix for error You have requested a non-existent service "entity.manager".

Currently using Missing or invalid modules Array [solved]

Call to undefined method Drupal::EntityManager()

Missing required key (base_theme) in themes/custom/...

Too few arguments to function Drush\Log\DrushLog::__construct(), 1 passed

error TS2683 using setTimeout function in Typescript

Property routerLink is not provided by any applicable directives nor by div element

Ionic ion icons svg 404 not found

Fixing zone-evergreen.js:659 Unhandled Promise rejection: Loading chunk # failed.

must be an instance of Symfony\Component\HttpKernel\Event\ResponseEvent, instance of Symfony\Component\HttpKernel\Event\RequestEvent given

Error: Failed to find ‘@ionic/angular/css/core.css [solved]

Invalid projectType for app: undefined [solved]

Fix drupal 9 instance of Symfony\Component\HttpKernel\Event\ResponseEvent given

Error: Non-static method Drupal\Core\File\FileSystemInterface::delete() cannot be called statically

The X entity type does not exist In EntityTypeManager.php line 150

'tailwindcss' is not recognized as an internal or external command

Uncaught (in promise): Error: Type EventcardComponent does not have 'ɵmod' property.

Fix http-server -p 8080 -c-1 dist/app throw er; // Unhandled 'error' event ^

NG8002: Can't bind to x since it isn't a known property of 'app-my-component'.

Error: budgets: initial exceeded maximum budget. Budget 1.00 MB was not met by x kB with a total of x MB.

Git terminal error: unlink of file failed. Should I try again? [possible solution]

error TS2532: Object is possibly 'undefined'.

Error: TS2564: Property has no initializer and is not definitely assigned in the constructor.

error TS7006: Parameter 'db' implicitly has an 'any' type.

Argument 2 passed to Symfony\Component\HttpKernel\Event\FilterControllerEvent::__construct() must be callable

Controller\ ::__construct(), 0 passed in /var/www/html/web/core/lib/Drupal/Core/Controller/ControllerBase.php on line 109

The entity type [entity name] does not have an “revision_created” entity revision metadata key

Fix error in styles.scss class does not exist. Module build failed (from ./node_modules/postcss-loader/dist/cjs.js):

Fix Ngx-translate pipe not found in Angular 11 error [solved]

TS2339: Property 'fromEvent' does not exist on type 'typeof Observable'.

[solved] No suitable injection token for parameter 'connectionChanged' of class 'OnlineOfflineServic e'.

error TS2538: Type 'undefined' cannot be used as an index type.

npm WARN npm npm does not support Node.js v14.15.4

Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException: The "bid" entity type did not specify a access handler. in Drupal\Core\Entity\EntityTypeManager->getHandler() (line 272 of core/lib/Drupal/Core/Entity/EntityTypeManager.php).

The Drupal\test\Entity\test class does not correspond to an entity type. in Drupal\Core\Entity\EntityTypeRepository->getEntityTypeFromClass()

Call to deprecated function drush_print().

Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException: The entity type did not specify a "x" form class.

SOLVED The entity type x does not have an "revision_created" entity revision metadata key.

PHP Fatal error: Uncaught Error: Call to undefined method Drupal\Core\DrupalKernel::prepareLegacyRequest() in drupal/console/src/Utils/DrupalApi.php:266

Drupal console error: [ERROR] Command "module:install", is not a valid command name.

FIXED The requested URL was rejected. Please consult with your administrator. Your support ID is: xxx

How to fix: Unable to install modules: module is incompatible with this version of Drupal core.

The config sync directory is not defined in $settings["config_sync_directory"] [SOLVED]

Drupal 9: Drupal\Core\Extension\InfoParserException: Missing required key ("base theme") in themes

Drupal 9: Drupal\Core\Extension\InfoParserException: The 'core_version_requirement' constraint (^9) requires the 'core' key not be set in themes

Notice: Undefined offset: 1 in Drupal\Core\Asset\LibraryDependencyResolver->doGetDependencies() (line 53 of core/lib/Drupal/Core/Asset/LibraryDependencyResolver.php).