Problems with "xmdssoap.class.php"

Hello everybody

i have installed Xibo and was try to moderate some things but now i cant view anything (on display client) and get this message from Log:
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2011-07-30 13:23:17 <errormsg>fread() expects parameter 1 to be resource, boolean given</errormsg>
<errornum>2</errornum>
<errortype>Warning</errortype>
<scriptname>/customers/6/1/8/my domain/httpd.www/my domain/lib/service/xmdssoap.class.php</scriptname>
<scriptlinenum>438</scriptlinenum>

2011-07-30 13:23:17 <errormsg>fseek() expects parameter 1 to be resource, boolean given</errormsg>
<errornum>2</errornum>
<errortype>Warning</errortype>
<scriptname>/customers/6/1/8/my domain/httpd.www/my domain/lib/service/xmdssoap.class.php</scriptname>
<scriptlinenum>436</scriptlinenum>

2011-07-30 13:23:17 <errormsg>fopen(\/10.jpg): failed to open stream: No such file or directory</errormsg>
<errornum>2</errornum>
<errortype>Warning</errortype>
<scriptname>/customers/6/1/8/my domain/httpd.www/my domain/lib/service/xmdssoap.class.php</scriptname>
<scriptlinenum>434</scriptlinenum>

2011-07-30 13:23:17 <errormsg>fread() expects parameter 1 to be resource, boolean given</errormsg>
<errornum>2</errornum>
<errortype>Warning</errortype>
<scriptname>/customers/6/1/8/my domain/httpd.www/my domain/lib/service/xmdssoap.class.php</scriptname>
<scriptlinenum>438</scriptlinenum>

2011-07-30 13:23:17 <errormsg>fseek() expects parameter 1 to be resource, boolean given</errormsg>
<errornum>2</errornum>
<errortype>Warning</errortype>
<scriptname>/customers/6/1/8/my domain/httpd.www/my domain/lib/service/xmdssoap.class.php</scriptname>
<scriptlinenum>436</scriptlinenum>