Answer|Solution:
The problem was caused by a missing WooCommerce Login Form hook in a customized Theme form-login.php file. Added the missing hook in the customized Theme form-login.php file and JTC is working normally.
Your theme developer copied the WooCommerce > /woocommerce/templates/login-form.php file to your theme to customize it. That is a standard procedure.
What is missing is the WooCommerce login hook in the customized login-form.php file here > /laserwork/woocommerce/myaccount/login-form.php
So it looks like all I need to do is to add the WooCommerce Login form hook > <?php do_action( 'woocommerce_login_form' ); ?> in your customized login-form.php file.
Your theme developer probably just forgot to add that hook.
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