application erroran error has occurred and the application will now close.no scene changes have occurred since your last saveout of memory the application has run of memory and will now close.no scene changes have occurred since your last save为什么会出现这个提示的?提示的内容意思大概为:应用出现错误,你的应用流掉内存,内存不够.请问怎么解决啊?急救!