ID:18399 Block '<string>' has -from block '<string>' and this -from block is not recognized as a MACRO_HEAD

CAUSE: Block is assigned a -from block which is not listed as one of the MACRO_HEAD block.

ACTION: First check that the MACRO_HEAD is recognized as a MACRO_HEAD by validating that a Info message was provided and the node exists in the design. Second, either change the -from assignment to be a specified MACRO_HEAD or add another instance assignment for the -from block to make it a MACRO_HEAD.