Display an error message when the limit of 100,000 limit setting is hit
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In this [Issue](https://gitlab.com/gitlab-org/gitlab/-/issues/411836#summary) "Forking projects with large number of LFS files fail with no error message" [two improvements](https://gitlab.com/gitlab-org/gitlab/-/issues/411836#note_1642551080) were suggested:
> Display an error message when the limit of 100,000 limit setting
>
> Allow users to increase the limit via an application setting
The first one does not seem like it was explored, this issue is to track work on that.
A [customer](https://gitlab.zendesk.com/agent/tickets/546052) faced this issue when forking a project with a large amount of LFS objects.
The UI error is not clear, and this needed digging in the logs and code to track. The error in the logs is the following:
```plaintext
"error_message": "Unable to fork project 12345 for repository
@hashed/11/22/encoded-path->
@hashed/33/44/encoded-new-path: Source project has too many LFS objects"
```
It stays as below for a long while but the errors do record that the issue is with size.
This should also reflect on the UI.
{width=631 height=136}
issue