Collapse or crumble in Islamic dreams can mean that one will forget one after one's death.
In a dream, seeing a
mountain or a building or a mausoleum break into pieces or be destroyed without external intervention or explosion, it means the erasure of one's name or the evanescence of one's memory after one's death or the disappearance of one's traces. or references.
This may indicate that everything we have built is not based on good deeds or that the people around us have no reason to keep us in mind when we are no longer around. Standing on a building and it collapsing indicates a period of stress and great difficulty. It can also indicate that you will not be able to achieve your goals even if you put all your effort into it.
To some, breaking down in a dream also means keeping one's promise to someone, especially if that promise is difficult to keep because one will have to sacrifice oneself to do so.