数据库发生错误。

{
	"$schema": "https://schemas.wp.org/trunk/block.json",
	"apiVersion": 3,
	"name": "core/latest-posts",
	"title": "Latest Posts",
	"category": "widgets",
	"description": "Display a list of your most recent posts.",
	"keywords": [ "recent posts" ],
	"textdomain": "default",
	"attributes": {
		"categories": {
			"type": "array",
			"items": {
				"type": "object"
			}
		},
		"selectedAuthor": {
			"type": "number"
		},
		"postsToShow": {
			"type": "number",
			"default": 5
		},
		"displayPostContent": {
			"type": "boolean",
			"default": false
		},
		"displayPostContentRadio": {
			"type": "string",
			"default": "excerpt"
		},
		"excerptLength": {
			"type": "number",
			"default": 55
		},
		"displayAuthor": {
			"type": "boolean",
			"default": false
		},
		"displayPostDate": {
			"type": "boolean",
			"default": false
		},
		"postLayout": {
			"type": "string",
			"default": "list"
		},
		"columns": {
			"type": "number",
			"default": 3
		},
		"order": {
			"type": "string",
			"default": "desc"
		},
		"orderBy": {
			"type": "string",
			"default": "date"
		},
		"displayFeaturedImage": {
			"type": "boolean",
			"default": false
		},
		"featuredImageAlign": {
			"type": "string",
			"enum": [ "left", "center", "right" ]
		},
		"featuredImageSizeSlug": {
			"type": "string",
			"default": "thumbnail"
		},
		"featuredImageSizeWidth": {
			"type": "number",
			"default": null
		},
		"featuredImageSizeHeight": {
			"type": "number",
			"default": null
		},
		"addLinkToFeaturedImage": {
			"type": "boolean",
			"default": false
		}
	},
	"supports": {
		"align": true,
		"html": false,
		"color": {
			"gradients": true,
			"link": true,
			"__experimentalDefaultControls": {
				"background": true,
				"text": true,
				"link": true
			}
		},
		"spacing": {
			"margin": true,
			"padding": true
		},
		"typography": {
			"fontSize": true,
			"lineHeight": true,
			"__experimentalFontFamily": true,
			"__experimentalFontWeight": true,
			"__experimentalFontStyle": true,
			"__experimentalTextTransform": true,
			"__experimentalTextDecoration": true,
			"__experimentalLetterSpacing": true,
			"__experimentalDefaultControls": {
				"fontSize": true
			}
		},
		"__experimentalBorder": {
			"radius": true,
			"color": true,
			"width": true,
			"style": true,
			"__experimentalDefaultControls": {
				"radius": true,
				"color": true,
				"width": true,
				"style": true
			}
		},
		"interactivity": {
			"clientNavigation": true
		}
	},
	"editorStyle": "wp-block-latest-posts-editor",
	"style": "wp-block-latest-posts"
}