Where a plaintiff failed to introduce evidence related to the costs to repair a yacht or its fair market value, it had not sufficiently proved its breach of warranty claims under Indiana law.The 7th U.S. Circuit Court of Appeals affirmed a decision by Chief U.S. District Judge Theresa L. Springmann, Northern District of Indiana.Porter Inc. is an Indiana company that manufactures boats under the Formula and Thunderbird trade names. In September 2012, Erich Schwaiger attended a boat show in Friedrichshafen, Germany, and met …