Unexpected End when Deleting Submodule in DTM Modules Page

When a submodules is selected in the Solution Explorer and an attempt is made to delete it in the Modules page, an unexpected end issue occurs. This behavior is hindering the smooth workflow of the project.

Steps to Reproduce:

1. Add PROFINET Controller and Device
2. Add a Module and a Submodule and click Apply
3. In the Solution Explorer, select a Submodule which should be deleted.
4. Navigate back to the Modules page.
5. Attempt to delete the selected Submodules.
6. Click Apply

Expected Behavior:

The subModules should be deleted without any unexpected end issues.

Actual Behavior:

An unexpected end of the application (see image) when trying to delete the Submodules in the Modules page.