@MTProxybot can not add the server again

[tikh-iv]

After I deleted the proxy server from the list, I can not add proxy in the bot's list. It's simply missing if you add it again

I, [10.06.18 00:27]
/newproxy

MTProxy Admin Bot, [10.06.18 00:27]
Registering a new proxy server. Please send me its address in the format host:port.

MTProxy Admin Bot, [10.06.18 00:29]
Now please specify its secret in hex format.

I, [10.06.18 00:29]
1.2.3.4:443

Ivan, [10.06.18 00:30]
123456789012345678901234567890ab

MTProxy Admin Bot, [10.06.18 00:30]
Success!
Your proxy has been successfully registered. You can now pass this proxy tag to the software you are using: ecfe4482355b04af36e816044653e999.
Here is a link to your proxy server: https://t.me/proxy?server=1.2.3.4&port=443&secret=123456789012345678901234567890ab
And here is a direct link for those who have the Telegram app installed: tg://proxy?server=1.2.3.4&port=443&secret=123456789012345678901234567890ab

I, [10.06.18 00:30]
/myproxies

MTProxy Admin Bot, [10.06.18 00:30]
Here is the list of all proxies you created:

I, [10.06.18 00:30]
/newproxy

MTProxy Admin Bot, [10.06.18 00:31]
Registering a new proxy server. Please send me its address in the format host:port.

I, [10.06.18 00:31]
1.2.3.4:443

MTProxy Admin Bot, [10.06.18 00:31]
Now please specify its secret in hex format.

I, [10.06.18 00:31]
123456789012345678901234567890ab

MTProxy Admin Bot, [10.06.18 00:31]
Success!
Your proxy has been successfully registered. You can now pass this proxy tag to the software you are using: ecfe4482355b04af36e816044653e999.
Here is a link to your proxy server: https://t.me/proxy?server=1.2.3.4&port=443&secret=123456789012345678901234567890ab
And here is a direct link for those who have the Telegram app installed: tg://proxy?server=1.2.3.4&port=443&secret=123456789012345678901234567890ab

I, [10.06.18 00:32]
/myproxies

MTProxy Admin Bot, [10.06.18 00:32]
Here is the list of all proxies you created:

[loskiq]

I have the same problem

[Infactum]

Using another secret for proxy fixes this issue.

[CraftedCat]

Same problem

[To0fan]

same problem

[tasi788]

still have some problem here.