Fixed the Collect JS loading after first instance issue.

ns_app/public/js/sales_invoice.js

@@ -152,14 +152,38 @@ function open_manual_payment_form(frm) {
                 `
             }
         ],
+        
+        // Destroy CollectJS instance if close button is clicked
         primary_action_label: "Close",
         primary_action() {
-            dialog.hide();
+             dialog.hide();
         }
     });
 
     dialog.show();
 
+    // Destroy CollectJS Instance if closed with the X button
+    dialog.$wrapper.on("hidden.bs.modal", function () {
+
+        // Remove leftover backdrop (fix dark screen)
+        document.querySelectorAll(".modal-backdrop").forEach(el => el.remove());
+
+        // Restore body scroll + click
+        document.body.classList.remove("modal-open");
+        document.body.style.overflow = "";
+
+        // safely remove dialog
+        dialog.$wrapper.remove();
+
+        // WClean CollectJS
+        if (window.CollectJS) {
+            try {
+                delete window.CollectJS;
+            } catch (e) {}
+        }
+
+    });
+
     // Prefill
     setTimeout(() => {
         const nameEl = document.getElementById(`cardholder_name_${uid}`);
@@ -172,11 +196,19 @@ function open_manual_payment_form(frm) {
 
     // Load CollectJS once
     function loadCollectJS(callback) {
-        if (window.CollectJS) {
-            callback();
-            return;
+
+        // Remove existing script if it exists
+        const existingScript = document.querySelector('script[src*="Collect.js"]');
+        if (existingScript) {
+            existingScript.remove();
         }
 
+        // Reset global
+        if (window.CollectJS) {
+            delete window.CollectJS;
+        }
+
+        // Create fresh script every instance
         const script = document.createElement("script");
         script.src = "https://secure.nmi.com/token/Collect.js";
 
@@ -185,7 +217,11 @@ function open_manual_payment_form(frm) {
             "HKx4XR-G549wT-8bZ2YJ-3kbG28"
         );
 
-        script.onload = callback;
+        script.onload = () => {
+            console.log("CollectJS loaded fresh");
+            callback();
+        };
+
         document.body.appendChild(script);
     }
 
@@ -195,7 +231,6 @@ function open_manual_payment_form(frm) {
 
         setTimeout(() => {
 
-            // DO NOT clear anything — new IDs = fresh mount
 
             CollectJS.configure({
                 variant: "inline",