DUB is not working correctly

[Maxim]

On Friday, 26 February 2021 at 19:00:57 UTC, H. S. Teoh wrote:
> On Fri, Feb 26, 2021 at 06:53:32PM +0000, evilrat via 
> Digitalmars-d-learn wrote:
>> On Friday, 26 February 2021 at 18:20:38 UTC, Maxim wrote:
>> > On Friday, 26 February 2021 at 17:57:12 UTC, ryuukk_ wrote:
>> > >     "targetType": "executable",
>> > > 
>> > > and it should just run using "dub run"
>> > 
>> > Unfortunately, the problem remains :/
>> 
>> Looks like something specific to your machine.
>> 
>> The last thing I could think of is to run dub with -v flag 
>> (verbose mode), look for all steps performed and check the 
>> output for anything that potentially could cause a failure.
> [...]
>
> And possibly paste the output of -v here, somebody may be able 
> to diagnose what went wrong then.
>
>
> --T

This is an output:

D:\DEVELOPMENT\[ D ]\sandbox>dub run -v
Using dub registry url 'https://code.dlang.org/'
Refreshing local packages (refresh existing: true)...
Looking for local package map at 
C:\ProgramData\dub\packages\local-packages.json
Looking for local package map at 
C:\Users\MAX_PC\AppData\Local\dub\packages\local-packages.json
Try to load local package map at 
C:\Users\MAX_PC\AppData\Local\dub\packages\local-packages.json
Looking for local package map at D:\DEVELOPMENT\[ D 
]\sandbox\.dub\packages\local-packages.json
Note: Failed to determine version of package sandbox at .. 
Assuming ~master.
Refreshing local packages (refresh existing: false)...
Looking for local package map at 
C:\ProgramData\dub\packages\local-packages.json
Looking for local package map at 
C:\Users\MAX_PC\AppData\Local\dub\packages\local-packages.json
Try to load local package map at 
C:\Users\MAX_PC\AppData\Local\dub\packages\local-packages.json
Looking for local package map at D:\DEVELOPMENT\[ D 
]\sandbox\.dub\packages\local-packages.json
Refreshing local packages (refresh existing: false)...
Looking for local package map at 
C:\ProgramData\dub\packages\local-packages.json
Looking for local package map at 
C:\Users\MAX_PC\AppData\Local\dub\packages\local-packages.json
Try to load local package map at 
C:\Users\MAX_PC\AppData\Local\dub\packages\local-packages.json
Looking for local package map at D:\DEVELOPMENT\[ D 
]\sandbox\.dub\packages\local-packages.json
Generating using build
Configuration 'application' of package sandbox contains no source 
files. Please add {"targetType": "none"} to its package 
description to avoid building it.
Package with target type "none" must have dependencies to build.