Use the Block Editor to edit, correct, and save a block definition.
A yellow alert icon ( ) is displayed when
To correct these errors, hover over the yellow alert icon until the tooltip displays a description of the problem. Then double-click the constraint and follow the prompts.
When you save a block definition, the current values of the geometry and parameters in the block become the default values for the block reference. The default visibility state for the block reference is the visibility state at the top of the list in the Manage Visibility States dialog box.