Update broken entire system

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Steps to reproduce the issue

Updating from 1.7 to 2.0.3

Expected result

Update works

Actual result

System is entirely broken

Error is produced in log: [20-Mar-2020 21:47:28 UTC] PHP Fatal error: Uncaught Symfony\Component\Routing\Exception\RouteNotFoundException: Route [] not defined. in /home/.../vendor/laravel/framework/src/Illuminate/Routing/UrlGenerator.php:420
Stack trace:
#0 /home//...//vendor/laravel/framework/src/Illuminate/Foundation/helpers.php(776): Illuminate\Routing\UrlGenerator->route(NULL, Array, true)
#1 /home//...//storage/framework/views/003b2ed383d34cd8465829be04a5806a4301dcd6.php(11): route(NULL)
#2 /home/.../vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php(43): include('/home//.../..')
#3 /home//...//vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php(59): Illuminate\View\Engines\PhpEngine->evaluatePath('/home/...//...', Array)
#4 /home//.../vendor/laravel/framework/src/Illuminate/View/View.php(143): Illuminate\View\Engines\CompilerEngine->get('/home//...//...', Array)
#5 /home//...//pay in /home//.../m/vendor/laravel/framework/src/Illuminate/Routing/UrlGenerator.php on line 420

System information (Akaunting, PHP versions)

2.0.3 - 7.3

Additional comments

I have tried both re installing and re connecting database and the steps here https://akaunting.com/forum/discussion/installation-update/update-203-not-working-on-my-server of which do not work.

I have the same issue

Same Issue. Is there no solution?

I was able to solve this by using better software (InvoiceNinja) as the maintainers of this seem totally uninterested!