arkastudio
Check the panel to cloud server network is unstable
Try to click the fix button on a machine that cannot be updated. The fix and update effects are the same.
aaPanel Mail Server released on 13 June 2019
aaPanel_Jose
Already clicked 3 link on the right top, but nothing changed,..
Maybe its time to re-install,.. 
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arkastudio
Can I check it in your panel? If you allow, please send the account password and login url to zhwyeah@gmail.com, thank you
If not, you can use the install command to overwrite the installation of the panel once, you can achieve an upgrade.
aaPanel_Jose Account Sent to your email Jose,.. Thanks anyway,.
arkastudio
Ok, let me check it out.
arkastudio
Update compie and the mail server is alreay show
Is the problem of network instability
Yup,.. Thank you very much, it working like charm,,...
Can you tell me how to solve this, except of waiting the network stable,. So I can solve other server by myself,... 
arkastudio
The network is unstable. . . It may be normal after a while, if you ping www.bt.cn on the serve has response indicating that the network is normal.
aaPanel_Jose If not, you can use the install command to overwrite the installation of the panel once, you can achieve an upgrade.
Just Trying this solution, it solved the problem either,... Thanks Jose,...
@aaPanel_Jose will be MailServer supported by Ubuntu ?
KristianP
If there are many ubuntu users, will consider compatibility.
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Got an error while installing (fresh panel)
Centos VM 7.6.1810, aaPanel 6.0.4
Server location: Russia
any way i can fix it myself?
P.S. logs show nothing about installing mail server
Devaste
I found the problem. wait a moment please
aaPanel_Jose btw, found another bug:
When trying to install nay sql database other than 5.5(mysql) or 10.0(mariadb) it just fades out without queueing it up
Devaste
try again please
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aaPanel_Jose mail server fixed, sql server is not 
Devaste
Try to fix your panel and install againοΌ
My installation was successful.
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aaPanel_Jose tried it, looks like i have to roll back and reinstall it completely :C
But thx for fixing/updating mail server btw is it postfix/dovecat/both/neither?
Devaste
right
I am also getting the same error, my server is located in London.