Hello. can you help me with recording sound, please?

hello. Suddenly the files that I record witm the mic doesnt appear in the timeline. I tried to check to see f I closed something by mistake, but I cant fint any button to put it ther agasin. it worked perfectly yesterday. It doesn´t help to shut aricukate storulinte of or start at new project. It does record, though i can listen to it in the editor...i just doesnt understnad why it suddenly seems unable to import it to the project. can ypu help me? grateful for any help