FRM-41081: Cannot move Item: invalid position. Cause: You attempted to move the item to an invalid position on the canvas.

原因

set_item_property('RTN_LOTS.ERP_ORDER_NUMBER',width,vwidth_order_number);
set_item_property('RTN_LOTS.ERP_ORDER_NUMBER', x_pos, vx);

动态设置某些item的位置的时候，设置到画布外面去了