The error says, to fix ?data-vocabulary.org schema deprecated? error. The support for data vocabulary was discontinued from April 6, 2020. With increased use of schema.org, their prime focus is laid on development for single scheme. Even the data vocabulary markup will not be available for Google rich features. Here, we will provide you with the solution to convert data vocabulary to schema.org. Structured data scheme can be used as a replacement of data vocabulary that is eligible for Google rich results.