Fatal Error: parse error: failed at `grid-template-rows:` ../../lib/tpl/dokuwiki-template-grid/css/structure.less on line 12

#dokuwiki__site {
 display: grid;
 box-sizing: border-box;
 width: 100vw;
 height: 100vh;
 grid-template-rows:
 [header] 2em
 [content] 1fr
 [footer] 2em;
 grid-template-columns:
 [left] minmax(auto, min-content)
 [center] auto
 [right] minmax(auto, min-content);
 grid-gap: 1px;
}