Update OMV 1.7 - Cannot log in

ehler
 #7001:
exception 'OMVException' with message 'Failed to connect to socket: No 
such file or directory' in /usr/share/php/openmediavault/rpc.inc:135
Stack trace:
#0 /var/www/openmediavault/rpc/session.inc(69): OMVRpc::exec('UserMgmt',
 'authUser', Array, Array, 2, true)
#1 [internal function]: OMVRpcServiceSession->login(Array, Array)
#2 /usr/share/php/openmediavault/rpcservice.inc(125): 
call_user_func_array(Array, Array)
#3 /usr/share/php/openmediavault/rpc.inc(79): 
OMVRpcServiceAbstract->callMethod('login', Array, Array)
#4 /usr/share/php/openmediavault/rpcproxy.inc(125): 
OMVRpc::exec('Session', 'login', Array, Array, 3)
#5 /var/www/openmediavault/rpc.php(32): OMVJsonRpcProxy->handle()
#6 {main}