WMS layer keeps disappearing when i zoom in to a specific area.I Don't know why ?

GeorgeJones

hi all, 

i created a SLD file of a line shapefile inside of geoserver. it keeps disappearing every time i zoom in in my interactive web map page. I speculate that there is a minZoom tag i need to put in.   here is the code :

<?xml version="1.0" encoding="UTF-8"?><sld:StyledLayerDescriptor xmlns="http://www.opengis.net/sld" xmlns:sld="http://www.opengis.net/sld" xmlns:ogc="http://www.opengis.net/ogc"
xmlns:gml="http://www.opengis.net/gml" version="1.0.0">
<sld:NamedLayer>
<sld:Name>Street Sweeping</sld:Name>
<sld:UserStyle>
<sld:FeatureTypeStyle>
<sld:Rule>
<sld:Name>Monday</sld:Name>
<ogc:Filter>