1) wants to apply ParentData of type FlexParentData to a RenderObject, which has been set up to accept ParentData of incompatible type ParentData. Usually, this means that the Expanded widget has the wrong ancestor RenderObjectWidget. Typically, Expanded widgets are placed directly inside Flex widget...
Notably, the resiliency of the arms 300 allows them to flex outward as they are inserted into the C-channels 290, and once fully inserted, they flex back to the normal shape to grasp the C-channels 290. The clip 284 further comprises a pair of locking elements, and in particular, a ...