I installed tr_barcode module on windows 7 x64 (also tried with ubuntu and get the same) when i want generate barcode i get this error. When I check tmp folder here i see barcode.svg file but no barcode.png. Sould i try earlier openerp build?

Client Traceback (most recent call last): File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\web\common\http.py", line 180, in dispatch File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\web\controllers\main.py", line 1052, in call_button File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\web\controllers\main.py", line 996, in call_common File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\web\controllers\main.py", line 1010, in _call_kw File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\web\common\openerplib\main.py", line 250, in proxy File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\web\common\openerplib\main.py", line 117, in proxy File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\web\common\http.py", line 608, in send

Server Traceback (most recent call last): File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\web\common\http.py", line 593, in send File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server.\openerp\netsvc.py", line 360, in dispatch_rpc File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server.\openerp\service\web_services.py", line 586, in dispatch File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server.\openerp\osv\osv.py", line 186, in execute_kw File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server.\openerp\osv\osv.py", line 129, in wrapper File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server.\openerp\osv\osv.py", line 195, in execute File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server.\openerp\osv\osv.py", line 183, in execute_cr File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\tr_barcode\wizard\tr_barcode_wizard.py", line 100, in create_barcode_record
File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\tr_barcode\tr_barcode.py", line 98, in generate_image File "C:\Program Files (x86)\OpenERP 6.1-20130727-233408\Server\server\openerp\addons\tr_barcode\tr_barcode.py", line 81, in get_image IOError: [Errno 2] No such file or directory: '/tmp/barcode.png'