[Docker] Can't edit containers

Error #0:
exception 'OMVModuleDockerException' with message 'Error: "Failed to connect to localhost port 80: Connection refused" - Code: 7' in /usr/share/omvdocker/Utils.php:73
Stack trace:
#0 /usr/share/omvdocker/Utils.php(208): OMVModuleDockerUtil::doApiCall('http://localhos...')
#1 /usr/share/openmediavault/engined/rpc/docker.inc(528): OMVModuleDockerUtil::getImage('1c4a1f2c304e', NULL)
#2 [internal function]: OMVRpcServiceDocker->modifyContainer(Array, Array)
#3 /usr/share/php/openmediavault/rpc/serviceabstract.inc(124): call_user_func_array(Array, Array)
#4 /usr/share/php/openmediavault/rpc/rpc.inc(84): OMV\Rpc\ServiceAbstract->callMethod('modifyContainer', Array, Array)
#5 /usr/sbin/omv-engined(516): OMV\Rpc\Rpc::call('Docker', 'modifyContainer', Array, Array, 1)
#6 {main}