When i create a invoice the screen is loading … loading … loading… log says:
DEBUG - 2015-06-18 22:32:41 --> File loaded: application/controllers/../modules/layout/controllers/layout.php
DEBUG - 2015-06-18 22:32:41 --> Layout MX_Controller Initialized
DEBUG - 2015-06-18 22:32:41 --> File loaded: application/modules/invoices/models/mdl_items.php
DEBUG - 2015-06-18 22:32:41 --> Model Class Initialized
DEBUG - 2015-06-18 22:32:41 --> File loaded: application/modules/invoices/models/mdl_invoices.php
DEBUG - 2015-06-18 22:32:41 --> Model Class Initialized
DEBUG - 2015-06-18 22:32:41 --> File loaded: application/modules/item_lookups/models/mdl_item_lookups.php
DEBUG - 2015-06-18 22:32:41 --> Model Class Initialized
DEBUG - 2015-06-18 22:32:41 --> File loaded: application/modules/invoices/models/mdl_item_amounts.php
DEBUG - 2015-06-18 22:32:41 --> Model Class Initialized
DEBUG - 2015-06-18 22:32:41 --> File loaded: application/modules/invoices/models/mdl_invoice_amounts.php
DEBUG - 2015-06-18 22:32:41 --> Model Class Initialized
DEBUG - 2015-06-18 22:32:41 --> File loaded: application/modules/invoices/models/mdl_invoice_tax_rates.php
DEBUG - 2015-06-18 22:32:41 --> Model Class Initialized
DEBUG - 2015-06-18 22:32:41 --> DB Transaction Failure
ERROR - 2015-06-18 22:32:41 --> Query error: Incorrect decimal value: '' for column 'invoice_discount_amount' at row 1
DEBUG - 2015-06-18 22:32:41 --> Language file loaded: language/english/db_lang.php
OS Version : Debian 7
Php 5.4.40
Already try to reinstall it but same problem…