import problem

"Waar vind ik de antwoorden op de mij vanmorgen gestelde vraag??"

("Where can I find the answers to the question put to me this morning?")

Right where you left it:

https://community.adobe.com/t5/lightroom-classic-discussions/import-problem/m-p/13864593

If you have found these photos in the LrC Library Module, there is no need to import them again. Simply perform whatever tasks you want on them on the photos where you have found them in the LrC Library Module.