This resolve the issue of the tables not being rendered by removing the esc() function from the headers.

app/Views/attributes/manage.php

@@ -14,7 +14,7 @@
 
 		table_support.init({
 			resource: '<?php echo esc(site_url($controller_name), 'url') ?>',
-			headers: <?php echo esc($table_headers, 'js') ?>,
+			headers: <?php echo $table_headers ?>,
 			pageSize: <?php echo $config['lines_per_page'] ?>,
 			uniqueId: 'definition_id'
 		});

app/Views/cashups/manage.php

@@ -26,7 +26,7 @@ $(document).ready(function()
 
 	table_support.init({
 		resource: '<?php echo esc(site_url($controller_name), 'url') ?>',
-		headers: <?php echo esc($table_headers, 'js') ?>,
+		headers: <?php echo $table_headers ?>,
 		pageSize: <?php echo $config['lines_per_page'] ?>,
 		uniqueId: 'cashup_id',
 		queryParams: function() {

app/Views/expenses/manage.php

@@ -26,7 +26,7 @@ $(document).ready(function()
 
 	table_support.init({
 		resource: '<?php echo esc(site_url($controller_name), 'url') ?>',
-		headers: <?php echo esc($table_headers) ?>,
+		headers: <?php echo $table_headers ?>,
 		pageSize: <?php echo $config['lines_per_page'] ?>,
 		uniqueId: 'expense_id',
 		onLoadSuccess: function(response) {

app/Views/expenses_categories/manage.php

@@ -13,7 +13,7 @@ $(document).ready(function()
 
 	table_support.init({
 		resource: '<?php echo esc(site_url($controller_name), 'url') ?>',
-		headers: <?php echo esc($table_headers) ?>,
+		headers: <?php echo $table_headers ?>,
 		pageSize: <?php echo $config['lines_per_page'] ?>,
 		uniqueId: 'expense_category_id',
 		

app/Views/giftcards/manage.php

@@ -11,7 +11,7 @@ $(document).ready(function()
 	<?php echo view('partial/bootstrap_tables_locale') ?>
 	table_support.init({
 		resource: '<?php echo esc(site_url($controller_name), 'url') ?>',
-		headers: <?php echo esc($table_headers) ?>,
+		headers: <?php echo $table_headers ?>,
 		pageSize: <?php echo $config['lines_per_page'] ?>,
 		uniqueId: 'giftcard_id'
 	});

app/Views/item_kits/manage.php

@@ -13,7 +13,7 @@ $(document).ready(function()
 
 	table_support.init({
 		resource: '<?php echo esc(site_url($controller_name), 'url') ?>',
-		headers: <?php echo esc($table_headers) ?>,
+		headers: <?php echo $table_headers ?>,
 		pageSize: <?php echo $config['lines_per_page'] ?>,
 		uniqueId: 'item_kit_id'
 	});

app/Views/items/manage.php

@@ -51,7 +51,7 @@ $(document).ready(function()
     table_support.init({
         employee_id: <?php echo $employee->get_logged_in_employee_info()->person_id ?>,
         resource: '<?php echo esc(site_url($controller_name), 'url') ?>',
-        headers: <?php echo esc($table_headers, 'js') ?>,
+        headers: <?php echo $table_headers ?>,
         pageSize: <?php echo $config['lines_per_page'] ?>,
         uniqueId: 'items.item_id',
         queryParams: function() {

app/Views/people/manage.php

@@ -13,7 +13,7 @@ $(document).ready(function()
 
 	table_support.init({
 		resource: '<?php echo esc(site_url($controller_name), 'url') ?>',
-		headers: <?php echo esc($table_headers, 'js') ?>,
+		headers: <?php echo $table_headers ?>,
 		pageSize: <?php echo $config['lines_per_page'] ?>,
 		uniqueId: 'people.person_id',
 		enableActions: function()

app/Views/sales/manage.php

@@ -35,7 +35,7 @@ $(document).ready(function()
 
 	table_support.init({
 		resource: '<?php echo esc(site_url($controller_name),'url') ?>',
-		headers: <?php echo esc($table_headers, 'js') ?>,
+		headers: <?php echo $table_headers ?>,
 		pageSize: <?php echo $config['lines_per_page'] ?>,
 		uniqueId: 'sale_id',
 		onLoadSuccess: function(response) {

app/Views/taxes/tax_rates.php

@@ -10,7 +10,7 @@ $(document).ready(function()
 	<?php echo view('partial/bootstrap_tables_locale') ?>
 	table_support.init({
 		resource: '<?php echo esc(site_url($controller_name), 'url') ?>',
-		headers: <?php echo esc($tax_rate_table_headers, 'js') ?>,
+		headers: <?php echo $tax_rate_table_headers ?>,
 		pageSize: <?php echo $config['lines_per_page'] ?>,
 		uniqueId: 'tax_rate_id'
 	});