I get that error when compiling the code below which says "
File "C:\Program Files (x86)\OpenERP 7.0-20140413-231155\Server\server.\openerp\osv\orm.py", line 1562, in _validate except_orm: ('ValidateError', u'Error occurred while validating the field(s) arch: Invalid XML for View Architecture!')
<?xml version="1.0" encoding="utf-8"?>
<openerp> <data>
<record id="view_hr_expense_loan_tree" model="ir.ui.view">
<field name="name">hr.expense.loan.tree</field>
<field name="model">hr.expense.loan</field>
<field name="type">tree</field>
<field name="priority">2</field>
<field name="arch" type="xml">
<tree string="Drivers Loans" colors="red:state=='draft';gray:state=='cancel';green:state=='approve';blue:state=='confirm';">
<field name="name"/>
<field name="date"/>
<field name="employee_id"/>
<field name="product_id"/>
<field name="amount" sum="Amount"/>
<field name="balance" sum="Balance"/>
<field name="paid"/>
<field name="state"/>
</tree>
</field>
</record>
<record id="view_hr_expense_loan_form" model="ir.ui.view">
<field name="name">hr.expense.loan.form</field>
<field name="model">hr.expense.loan</field>
<field name="type">form</field>
<field name="arch" type="xml">
<form string="Employee Loans" version="7.0">
<header>
<button name="action_approve" states="draft" string="Approve" type="object" icon="gtk-go-forward" groups="hr_loan.group_expense_loan_approve" class="oe_highlight"/>
<button name="action_confirm" states="approved" string="Confirm" type="object" icon="gtk-goto-last" groups="hr_loan.group_expense_loan_confirm" class="oe_highlight"/>
<button name="action_close" states="confirmed" string="Close" type="object" icon="gtk-ok" groups="hr_loan.group_expense_loan_close" />
<button name="action_cancel" states="draft,approved" string="Cancel" type="object" icon="gtk-cancel" groups="hr_loan.group_expense_loan_cancel"/>
<field name="state" widget="statusbar" statusbar_visible="draft,approved,confirmed,closed"/>
</header>
<sheet>
<h1>
<label string="Loan"/>
<field name="name" class="oe_inline" readonly="1"/>
</h1>
<group col="4">
<field name="date"/>
<field name="origin"/>
</group>
<field name="company_id" invisible="1"/>
<!--<field name="shop_id" invisible="1"/>-->
<notebook>
<page string="Loan Details">
<group colspan="4" col="4">
<field name="employee_id" colspan="4"
context="{'hr_employee_category': 'employee','hr_employee_category': False}"
domain="[('hr_employee','=', False),('hr_employee_category','=','employee')]" />
<field name="product_id" colspan="4"/>
<field name="amount" />
<newline />
<field name="reimbursement_method"/>
<newline />
<field name="reimbursement_type"/>
<newline />
<field name="percent_reimbursement"
attrs="{'required':[('reimbursement_type','=','percent')],'invisible':[('reimbursement_type','!=','percent')]}"/>
<newline />
<field name="fixed_reimbursement"
attrs="{'required':[('reimbursement_type','=','fixed')],'invisible':[('reimbursement_type','!=','fixed')]}"/>
<newline />
<field name="description" colspan="4" />
<separator string="Balance" colspan="4"/>
<field name="balance" />
<field name="paid" />
</group>
</page>
<page string="Notes">
<field colspan="4" name="notes" nolabel="1"/>
</page>
<page string="Loan Expense Lines">
<group col="4">
<field name="expense_line_ids" colspan="4" nolabel="1">
<tree>
<field name="expense_id" />
<!--<field name="date" />-->
<field name="product_id" />
<field name="name" />
<!--<field name="price_total" />-->
</tree>
</field>
</group>
</page>
<page string="Log">
<group colspan="4" col="4">
<field name="create_uid" readonly="1" />
<field name="create_date" readonly="1" />
<field name="approved_by" readonly="1" />
<field name="date_approved" readonly="1" />
<field name="confirmed_by" readonly="1" />
<field name="date_confirmed" readonly="1" />
<field name="closed_by" readonly="1" />
<field name="date_closed" readonly="1" />
<field name="cancelled_by" readonly="1" />
<field name="date_cancelled" readonly="1" />
</group>
</page>
</notebook>
</sheet>
<div class="oe_chatter">
<field name="message_follower_ids" widget="mail_followers"/>
<field name="message_ids" widget="mail_thread" placeholder="Share a message..."/>
</div>
</form>
</field>
</record>
<record id="view_hr_expense_loan_filter" model="ir.ui.view">
<field name="name">tms.expense.loan.filter</field>
<field name="model">tms.expense.loan</field>
<field name="type">search</field>
<field name="arch" type="xml">
<search string="Search Loans">
<filter icon="terp-gtk-media-pause" string="Draft" domain="[('state','=','draft')]"/>
<filter icon="terp-gtk-jump-to-ltr" string="Approved" domain="[('state','=','approved')]"/>
<filter icon="terp-check" string="Confirmed" domain="[('state','=','confirmed')]"/>
<filter icon="terp-check" string="Not Paid" domain="[('paid','=',0)]"/>
<filter icon="terp-check" string="Paid" domain="[('paid','=',1)]"/>
<newline/>
<field name="name" select="1"/>
<field name="employee_id" />
<field name="product_id" />
<field name="date" string="Expense date" />
<newline/>
<group expand="0" string="Group By..." >
<filter string="Employee" icon="terp-personal" domain="[]" context="{'group_by':'employee_id'}"/>
<filter string="Product" icon="terp-personal" domain="[]" context="{'group_by':'product_id'}"/>
<filter string="Paid" icon="terp-stock_effects-object-colorize" domain="[]" context="{'group_by':'paid'}"/>
<separator orientation="vertical"/>
<filter string="State" icon="terp-stock_effects-object-colorize" domain="[]" context="{'group_by':'state'}"/>
<filter string="Expense Date" icon="terp-go-month" domain="[]" context="{'group_by':'date'}"/>
</group>
</search>
</field>
</record>
<record model="ir.ui.view" id="view_hr_expense_loan_graph">
<field name="name">hr.expense.loan.graph</field>
<field name="model">hr.expense.loan</field>
<field name="type">graph</field>
<field name="arch" type="xml">
<graph string="Expense" type="bar">
<field name="product_id"/>
<field name="amount" operator="+"/>
</graph>
</field>
</record>
<record id="action_hr_expense_loan_form" model="ir.actions.act_window">
<field name="name">Employees Loans</field>
<field name="type">ir.actions.act_window</field>
<field name="res_model">hr.expense.loan</field>
<field name="view_type">form</field>
<field name="view_mode">tree,form,graph</field>
<field name="search_view_id" ref="view_tms_expense_loan_filter"/>
<field name="help">Employee Loans</field>
</record>
<!--<menuitem action="action_hr_expense_loan_form" id="menu_hr_expense_loan"
parent="menu_hr_config_employeess" sequence="40" />-->
<menuitem action="action_hr_expense_loan_form" id="hr_menu_hr_expense_loan"
parent="hr.menu_hr_main" sequence="90" />
</data>
</openerp>
how to fix it ?