[fix] document_flow.js

frappe/public/js/frappe/form/document_flow.js

@@ -4,12 +4,24 @@
 frappe.ui.form.DocumentFlow = Class.extend({
 	init: function(opts) {
 		$.extend(this, opts);
+
+		this.module = frappe.get_meta(this.frm.doctype).module
+		if (!frappe.document_flow[this.module]) {
+			return;
+		}
+		this.doctypes = frappe.document_flow[this.module][this.frm.doctype];
+		if (!this.doctypes) {
+			return;
+		}
+
 		this.wrapper = $('<div class="document-flow-wrapper hidden"></div>').prependTo(this.frm.layout.wrapper);
 	},
 
 	refresh: function() {
-		this.reset();
-		this.render();
+		if(this.doctypes) {
+			this.reset();
+			this.render();
+		}
 	},
 
 	reset: function() {
@@ -19,18 +31,10 @@ frappe.ui.form.DocumentFlow = Class.extend({
 
 	render: function() {
 		var me = this;
-		var module = frappe.get_meta(this.frm.doctype).module
-		if (!frappe.document_flow[module]) {
-			return;
-		}
-		var doctypes = frappe.document_flow[module][this.frm.doctype];
-		if (!doctypes) {
-			return;
-		}
 
 		$(frappe.render_template('form_document_flow', {
 			frm: this.frm,
-			doctypes: doctypes,
+			doctypes: this.doctypes,
 		})).appendTo(this.wrapper.removeClass('hidden'));
 
 		this.wrapper.on('click', '.document-flow-link', function() {