Source
factory ManagedDataModelException.duplicateTables(
ManagedEntity entity1, ManagedEntity entity2) {
return new ManagedDataModelException(
"Entities '${_getInstanceClassName(entity1)}' and '${_getInstanceClassName(entity2)}' "
"have the same table name: '${entity1.tableName}'. Rename these "
"tables by changing the value in their 'tableName' method or removing "
"the 'tableName' method altogether.");
}