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Get Started Now!Symptom
When visiting specific pages in a WHMCS installation, the page content appears to be missing.
The following screenshots show the shopping cart and registration pages exhibiting the issue:
Cause
The template file for the page is missing or contains a syntax error.
Diagnosis
To diagnose this:
1. Log in to the WHMCS Admin Area.
2. Go to Configuration > System Logs.
3. Review the System Activity Log for Smarty Error entries. The error message provides details about the cause, including the filename of the problematic template file:
Resolution
The first message indicates that the /templates/twenty-one/clientregister.tpl file is missing:
Smarty Error: Default handler: No template default content for 'file:twenty-one/clientregister.tpl'To resolve this error, restore or upload the missing file that the Smarty Error identified.
The second message indicates invalid code in the /templates/orderforms/standard_cart/configureproduct.tpl file around line 5:
Smarty Error: Syntax error in template "file:/home/v84whmcssupport/public_html/whmcs/templates/orderforms/standard_cart/configureproduct.tpl" on line 5 "'addToCart': '{$LANG.orderForm.addToCart|escape}'," - Unexpected " "To resolve the error, open the file and examine the code syntax around the line number. Correct the syntax error and save the file.
In this example, a duplicated { character causes the syntax error:
