Use the Systems window to check the Relationships of any Queries associated with the system.
Make sure the system is not greyed out in the Systems window, this means it has been disabled using .Enabled = false.
.WithOptions(EntityQueryOptions.IncludeDisabledEntities)..WithOptions(EntityQueryOptions.IncludeSystems)..WithOptions(EntityQueryOptions.IncludePrefab).This list is not exhaustive, please report an issue with this page so this page can be improved if you have additions.