data-kt-drawer-name="aside"
set in HTML.aside
is the name of the drawer. Each drawer should have a unique name. The toggle button is linked via its ID. <div class="btn btn-icon btn-active-light-primary w-30px h-30px w-md-40px h-md-40px" >
<i class="fal fa-analytics"></i>
</div>
<div class="bg-white" data-kt-drawer="true" data-kt-drawer-name="aside" data-kt-drawer-activate="true" data-kt-drawer-toggle="#summary_drawer_button" data-kt-drawer-overlay="true" data-kt-drawer-close="#summary_drawer_close" data-kt-drawer-width="1400px"></div>
<div class="btn btn-icon btn-active-light-primary position-relative" >
<i class="fal fa-bell"></i>
<span class="bullet bullet-dot bg-success h-6px w-6px position-absolute translate-middle top-0 start-50 animation-blink"></span>
</div>
<div class="bg-body" data-kt-drawer="true" data-kt-drawer-name="aside" data-kt-drawer-activate="true" data-kt-drawer-toggle="#alert_drawer_button" data-kt-drawer-overlay="true" data-kt-drawer-width="{default:"300px", "md": "500px"}" data-kt-drawer-close="#alert_drawer_close"></div>
data-kt-drawer-name="aside"
parameter for both drawers. Please try to use another name value for your 2nd drawer: data-kt-drawer-name="aside-2"