- $total += add_gl_trans_customer(ST_SALESINVOICE, $invoice_no, $date_, $taxitem['sales_gl_code'], 0, 0,
- (-$taxitem['Value']), $invoice->customer_id,
- "A tax GL posting could not be inserted");
+ if (isset($taxitem['sales_gl_code']))
+ $total += add_gl_trans_customer(ST_SALESINVOICE, $invoice_no, $date_, $taxitem['sales_gl_code'], 0, 0,
+ (-$taxitem['Value']), $invoice->customer_id,
+ "A tax GL posting could not be inserted");