No module named PluginLoader

Today, I saw some netizens in the group feedback that they reported an error in refreshing and opening the BT panel after upgrading it. No module named PluginLoader。 Here we can see his screenshot.

There are several possible problems when such problems occur.

1. Check the current server DNS

If we are a Tencent Cloud Hong Kong or Shanghai server, there may be a problem with the DNS connected to the BT panel, and we need to replace it.

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2. Re upgrade

 curl  http://download.bt.cn/install/update_panel.sh |bash

Here, let's go to SSH to upgrade again, and then refresh the panel client.

Here, we'd better back up the data first.