chrome complaining about ssl

and it is because of this on my page, “http://null”, and the fact it is not https://, what is this and how can I fix it.

</div></div></div></div></div></div></div></div><div class=”vc_row-full-width vc_clearfix”></div><div class=”upb_bg_img” data-ultimate-bg=”url(http://null)” data-image-id=”23512″ data-ultimate-bg-style=”vcpb-default” data-bg-img-repeat=”repeat” data-bg-img-size=”cover” data-bg-img-position=”" data-parallx_sense=”30″ data-bg-override=”0″ data-bg_img_attach=”fixed” data-upb-overlay-color=”" data-upb-bg-animation=”" data-fadeout=”" data-bg-animation=”left-animation” data-bg-animation-type=”h” data-animation-repeat=”repeat” data-fadeout-percentage=”30″ data-parallax-content=”" data-parallax-content-sense=”30″ data-row-effect-mobile-disable=”true” data-img-parallax-mobile-disable=”true” data-rtl=”false” data-custom-vc-row=”" data-vc=”6.0.3″ data-is_old_vc=”" data-theme-support=”" data-overlay=”false” data-overlay-color=”" data-overlay-pattern=”" data-overlay-pattern-opacity=”" data-overlay-pattern-size=”" ></div><div class=”vc_row wpb_row vc_row-fluid”><div class=”wpb_column vc_column_container vc_col-sm-12″><div class=”vc_column-inner”><div class=”wpb_wrapper”><div class=”boc_divider_holder”><div class=”boc_divider ” style=”margin-top: 20px;margin-bottom: 20px;height: 2px;background: #eeeeee;”></div></div><div class=”img_carousel_holder has_dots”> <div class=”img_carousel mfp_gallery” id=”img_carousel_4354″ style=”opacity:0;”><div class=”img_carousel_item boc_owl_lazy”> <div class=”pic “>