//!requires base/structure/row
.row {
    @include -base-structure-grid-row;
}

[class*="panel-"] {
    
    @media screen and (min-width: $breakpoint-small) {
        @include -base-structure-grid-panel;
    }
    
    @media screen and (max-width: $breakpoint-small - 1) {
        @include -base-structure-grid-panel-collapsed;
    }
    
}

$i: $structure-panels; @while $i > 0 {
    
    .panel-#{$i} { 
        @media screen and (min-width: $breakpoint-small) {
            @include -base-structure-grid-panel-fluid-span($i, $structure-panel-width, $structure-panel-gutter); 
        }
    }
    
    $i: ($i - 1);
}

.row {
    @include -base-structure-grid-row;
}

[class*="panel-"] {
    
    @media screen and (min-width: $breakpoint-small) {
        @include -base-structure-grid-panel;
    }
    
    @media screen and (max-width: $breakpoint-small - 1) {
        @include -base-structure-grid-panel-collapsed;
    }
    
}

$i: $structure-panels; @while $i > 0 {
    
    .panel-#{$i} { 
        @media screen and (min-width: $breakpoint-small) {
            @include -base-structure-grid-panel-fluid-span($i, $structure-panel-width, $structure-panel-gutter); 
        }
    }
    
    $i: ($i - 1);
}

Remove superfluous //!requires statement in grid definition
Remove superfluous //!requires statement in grid definition
