ID:303000 Entity "<name>" does not belong to a formal verification blackbox with creating design partitions

CAUSE: You specified a formal verification tool for the current project and compiled the design, but the specified entity is not instantiated within the hierarchy of an entity in the design with Creating Design Partitions. To perform formal verification with other EDA tools, you must first create design partitions for all black box entities in the design.

ACTION: Create design partitions for your design first and then recompile the design.