Revert "Add check for required properties in error objects"

This reverts commit c28e2a1.

See
json-api/json-api#1525 (comment)

Author: Art4

CHANGELOG.md

@@ -11,10 +11,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 - Dropped support for PHP 7.4 and PHP 8.0
 
-### Fixed
-
-- Add check that an error object contains at least one of `id`, `links`, `status`, `code`, `title`, `detail`, `source` or `meta`.
-
 ### Deprecated
 
 - `\Art4\Accessable::get()` will add `mixed` as a native return type declaration in 2.0.0, do the same in your implementation now to avoid errors.

src/V1/Error.php

@@ -33,10 +33,6 @@ protected function parse(mixed $object): void
             );
         }
 
-        if (!property_exists($object, 'id') and !property_exists($object, 'links') and !property_exists($object, 'status') and !property_exists($object, 'code') and !property_exists($object, 'title') and !property_exists($object, 'detail') and !property_exists($object, 'source') and !property_exists($object, 'meta')) {
-            throw new ValidationException('An error object MUST contain at least one of: `id`, `links`, `status`, `code`, `title`, `detail`, `source` or `meta`.');
-        }
-
         if (property_exists($object, 'id')) {
             if (!is_string($object->id)) {
                 throw new ValidationException(

tests/Unit/V1/ErrorTest.php

@@ -161,28 +161,4 @@ public function testCreateDetailWithoutStringThrowsException(mixed $input): void
 
         $error = new Error($object, $this->manager, $this->parent);
     }
-
-    /**
-     * An error object MAY have the following members, and MUST contain at least one of:
-     * - id
-     * - links
-     * - status
-     * - code
-     * - title
-     * - details
-     * - source
-     * - meta
-     */
-    public function testCreateWithoutRequiredPropertiesThrowsException(): void
-    {
-        $object = new \stdClass();
-        $object->description = 'error description';
-
-        $this->expectException(ValidationException::class);
-        $this->expectExceptionMessage(
-            'An error object MUST contain at least one of: `id`, `links`, `status`, `code`, `title`, `detail`, `source` or `meta`.'
-        );
-
-        $error = new Error($object, $this->manager, $this->parent);
-    }
 }