编辑某些屏幕后，flutter 应用程序突然崩溃

Question

当我在编辑购物车屏幕时重新加载我的应用程序时，该应用程序突然停止冻结。现在我正在重新加载和重建，然后它也无法正常工作，有人可以指导出了什么问题。

logs////////////////////
RenderBox.size accessed beyond the scope of resize, layout, or permitted parent access. RenderBox can always access its own size, otherwise, the only object that is allowed to read RenderBox.size is its parent, if they have said they will. It you hit this assert trying to access a child's size, pass "parentUsesSize: true" to that child's layout().
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1792 pos 13: 'debugDoingThisResize || debugDoingThisLayout ||
              (RenderObject.debugActiveLayout == parent && _size._canBeUsedByParent)'
════════════════════════════════════════════════════════════════════════════════════════════════════

════════ Exception caught by scheduler library ═════════════════════════════════════════════════════
RenderBox.size accessed beyond the scope of resize, layout, or permitted parent access. RenderBox can always access its own size, otherwise, the only object that is allowed to read RenderBox.size is its parent, if they have said they will. It you hit this assert trying to access a child's size, pass "parentUsesSize: true" to that child's layout().
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1792 pos 13: 'debugDoingThisResize || debugDoingThisLayout ||
              (RenderObject.debugActiveLayout == parent && _size._canBeUsedByParent)'
════════════════════════════════════════════════════════════════════════════════════════════════════