Cannot destroy boxes!

Hi everyone i need help... i have boxes in my inventory... metal plate, steel box, folding cot, and others... they are for work orders but i have completed those quests... and i have all these items in my inventory yet... the problem is that when i try to destroy them, he says me that i cannot destroy them because they are used in "" quest and that i have to complete that quest before i can destroy them... how can i do? i ask the help of a gm.. can some gm plz enter in my character and delete them? i have twelve slots occupated by those items ç_ç plz itis a real problem for me! thanks anticipated!