Error is related to Trouble. Trouble is the opposite of Song. 
Panic is related to Extreme. Extreme is related to Shock. Shock is a type of Collapse. Collapse is a type of Fold. 
Error <--RelatedTo--> Trouble <--Antonym--> Song 
Panic <--RelatedTo--> Extreme <--RelatedTo--> Shock --IsA--> Collapse --IsA--> Fold 