diff --git a/frappe/__init__.py b/frappe/__init__.py
index 083ea3e1f3..28fca585a7 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -14,7 +14,7 @@ import os, sys, importlib, inspect, json
 from .exceptions import *
 from .utils.jinja import get_jenv, get_template, render_template, get_email_from_template
 
-__version__ = '8.6.0'
+__version__ = '8.6.2'
 __title__ = "Frappe Framework"
 
 local = Local()
diff --git a/frappe/email/queue.py b/frappe/email/queue.py
index e5630bc88e..e48dbb9115 100755
--- a/frappe/email/queue.py
+++ b/frappe/email/queue.py
@@ -474,6 +474,7 @@ def prepare_message(email, recipient, recipients_list):
 
 		message = message.replace("<!--recipient-->", recipient)
 
+	message = (message and message.encode('utf8')) or ''
 	if not email.attachments:
 		return message
 
diff --git a/frappe/public/js/frappe/request.js b/frappe/public/js/frappe/request.js
index b6671fea7d..128ac996da 100644
--- a/frappe/public/js/frappe/request.js
+++ b/frappe/public/js/frappe/request.js
@@ -8,6 +8,8 @@ frappe.request.url = '/';
 frappe.request.ajax_count = 0;
 frappe.request.waiting_for_ajax = [];
 
+
+
 // generic server call (call page, object)
 frappe.call = function(opts) {
 	if(opts.quiet) {
@@ -177,10 +179,10 @@ frappe.request.call = function(opts) {
 					status_code_handler(data, xhr);
 				}
 			} catch(e) {
-				console.log("Unable to handle response");
-				console.trace(e);
+				console.log("Unable to handle success response"); // eslint-disable-line
+				console.trace(e); // eslint-disable-line
 			}
-			
+
 		})
 		.always(function(data, textStatus, xhr) {
 			try {
@@ -201,20 +203,23 @@ frappe.request.call = function(opts) {
 			}
 		})
 		.fail(function(xhr, textStatus) {
-			var status_code_handler = statusCode[xhr.statusCode().status];
-			if (status_code_handler) {
-				status_code_handler(xhr);
-			} else {
-				// if not handled by error handler!
-				opts.error_callback && opts.error_callback(xhr);
+			try {
+				var status_code_handler = statusCode[xhr.statusCode().status];
+				if (status_code_handler) {
+					status_code_handler(xhr);
+				} else {
+					// if not handled by error handler!
+					opts.error_callback && opts.error_callback(xhr);
+				}
+			} catch(e) {
+				console.log("Unable to handle failed response"); // eslint-disable-line
+				console.trace(e); // eslint-disable-line
 			}
 		});
 }
 
 // call execute serverside request
 frappe.request.prepare = function(opts) {
-	frappe.request.ajax_count++;
-	
 	$("body").attr("data-ajax-state", "triggered");
 
 	// btn indicator
@@ -253,7 +258,7 @@ frappe.request.cleanup = function(opts, r) {
 
 	// un-freeze page
 	if(opts.freeze) frappe.dom.unfreeze();
-	
+
 	if(r) {
 
 		// session expired? - Guest has no business here!
@@ -299,14 +304,6 @@ frappe.request.cleanup = function(opts, r) {
 	}
 
 	frappe.last_response = r;
-
-	frappe.request.ajax_count--;
-	if(!frappe.request.ajax_count) {
-		$.each(frappe.request.waiting_for_ajax || [], function(i, fn) {
-			fn();
-		});
-		frappe.request.waiting_for_ajax = [];
-	}
 }
 
 frappe.after_server_call = () => {
@@ -408,3 +405,17 @@ frappe.request.cleanup_request_opts = function(request_opts) {
 	}
 	return request_opts;
 };
+
+$(document).ajaxSend(function() {
+	frappe.request.ajax_count++;
+});
+
+$(document).ajaxComplete(function() {
+	frappe.request.ajax_count--;
+	if(!frappe.request.ajax_count) {
+		$.each(frappe.request.waiting_for_ajax || [], function(i, fn) {
+			fn();
+		});
+		frappe.request.waiting_for_ajax = [];
+	}
+});
\ No newline at end of file