数据库发生错误。

{
	"$schema": "https://schemas.wp.org/trunk/block.json",
	"apiVersion": 3,
	"name": "core/post-navigation-link",
	"title": "Post Navigation Link",
	"category": "theme",
	"description": "Displays the next or previous post link that is adjacent to the current post.",
	"textdomain": "default",
	"attributes": {
		"textAlign": {
			"type": "string"
		},
		"type": {
			"type": "string",
			"default": "next"
		},
		"label": {
			"type": "string"
		},
		"showTitle": {
			"type": "boolean",
			"default": false
		},
		"linkLabel": {
			"type": "boolean",
			"default": false
		},
		"arrow": {
			"type": "string",
			"default": "none"
		},
		"taxonomy": {
			"type": "string",
			"default": ""
		}
	},
	"usesContext": [ "postType" ],
	"supports": {
		"reusable": false,
		"html": false,
		"color": {
			"link": true
		},
		"typography": {
			"fontSize": true,
			"lineHeight": true,
			"__experimentalFontFamily": true,
			"__experimentalFontWeight": true,
			"__experimentalFontStyle": true,
			"__experimentalTextTransform": true,
			"__experimentalTextDecoration": true,
			"__experimentalLetterSpacing": true,
			"__experimentalWritingMode": true,
			"__experimentalDefaultControls": {
				"fontSize": true
			}
		},
		"interactivity": {
			"clientNavigation": true
		}
	},
	"style": "wp-block-post-navigation-link"
}