The process object that is "missing" appears in another process object as type Object List.
I`ve reloaded the page, checked if said objects are present and can be used, cleared my browser cache.
Please explain why this could be happening.
For some reason sometimes Informatica CAI can`t handle the renamed process objects. That is if you create a process object, save it, rename it and save it again - it is very likely for you to get this error.
Solution: don`t rename your process objects or create them anew.