数据库发生错误。

<?xml version="1.0" encoding="UTF-8"?>

	<fields>
			<fieldset name="grid_editor" label="General">

				<field name="row_container_width" 
					type="text"
					default="1170"
					label="Container Width"
					unit="px or %"
					description="The row container width">
				</field>
								
				<field name="col_gutter" 
					type="text"
					default="15" 
					label="Column Gutter"
					unit="px"
					description="The padding left and right of the column">
				</field>
								
				<field name="row_padding_top" 
					type="text"
					default="30"
					label="Row Padding Top"
					unit="px"
					description="The padding top of the rows">
				</field>
				<field name="row_padding_bottom" 
					type="text"
					default="30"
					label="Row Padding Bottom"
					unit="px"
					description="The padding bottom of the rows">
				</field>
				
				<field name="space_between_addons" 
					type="text"
					default="10"
					label="Space Between Addons"
					unit="px"
					description="The vertical space between addons">
				</field>
				
			</fieldset>
			
			<fieldset name="html_additions" label="HTML Additions">

				<field name="html_head" 
					type="textarea"
					default=""
					label="HTML Addition before head tag end"
					description="Put html addition before head tag end tab to every layout. Good for some special header meta tags">
				</field>
				
				<field name="html_body" 
					type="textarea"
					default=""
					label="HTML Addition before body tag end"
					description="Put html addition before body tag end tab to every layout. Good for google analytics, facebook pixel etc.">
				</field>
				
				
			</fieldset>			
			
	</fields>