The courts sometimes will reform contracts when they determine that there are inconsistencies in the contract or that the contract does not reflect

The courts sometimes will reform contracts when they determine that there are inconsistencies in the contract or that the contract does not reflect the actual agreement between the parties, even against the objections of one of the parties. 

What are the legal concepts that allow a court to do this? 

There are several legal concepts that can make a court to reform a contact which has alreadybeen formed where one of the parties can be enriched unjustlyIt can be through misrepresentation and it...