diff --git a/assets/admin.js b/assets/admin.js
index 31522a7..27c16bd 100644
--- a/assets/admin.js
+++ b/assets/admin.js
@@ -81,4 +81,20 @@ window.addEventListener("load", () => {
 			}
 		}
 	});
+
+	// Open accordions with errors on submit.
+	document.addEventListener("ea.form.error", (event) => {
+		const { page, form } = event.detail;
+		// alert(`The ${page} form contains errors. Please resolve these before submitting again.`)
+		const elements = form.querySelectorAll(".accordion-item .has-error");
+		for (const el of elements) {
+			const item = el.closest(".accordion-item");
+			const button = item?.querySelector(".accordion-header button");
+			const contents = item?.querySelector(".accordion-collapse");
+			if (button && contents) {
+				button.classList.remove("collapsed");
+				contents.classList.add("show");
+			}
+		}
+	});
 });