Hi,
I tried to extend the subscription by 3 months and got below error in myaccount.

500 - Layout not found
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Layout not found

I cannot reproduce this error.

Can you give more details please ?

From the builder or from the website ?
Wich link did you tried.

For me there is no problem.

In the below link.

www.j-cook.pro/index.php/account/my-account

Fixed