backport fix for 1548

docs/pages/resources/changelog.md

@@ -23,6 +23,7 @@ New versions of Web Awesome are released as-needed and generally occur when a cr
 
 - Fixed a bug in the autoloader causing it to register non-Shoelace elements [#1563]
 - Fixed a bug in `<wa-switch>` that resulted in improper spacing between the label and the required asterisk [#1540]
+- Removed error when a missing popup anchor is provided [#1548]
 - Updated `@ctrl/tinycolor` to 4.0.1 [#1542]
 - Updated Bootstrap Icons to 1.11.0
 

src/components/popup/popup.component.ts

@@ -247,13 +247,10 @@ export default class WaPopup extends WebAwesomeElement {
       this.anchorEl = this.anchorEl.assignedElements({ flatten: true })[0] as HTMLElement;
     }
 
-    if (!this.anchorEl) {
-      throw new Error(
-        'Invalid anchor element: no anchor could be found using the anchor slot or the anchor attribute.'
-      );
+    // If the anchor is valid, start it up
+    if (this.anchorEl) {
+      this.start();
     }
-
-    this.start();
   }
 
   private start() {