example: ["aaa"]
                  related_contents:
                    type: array
                    items:
                      type: string
                    example: []
                  data:
                    type: array
                    items:
                      type: object
                      properties:
                        filetype:
                          type: string

					<%-- Message: END --%>
					<div class="col-md-12">
						<div class="card card-outline card-primary">
							<div class="card-header">
								<h3 class="card-title">
									<la:message key="labels.upgrade_data_migration" />
								</h3>
							</div>
							<div class="card-body">
								<div class="form-group row">
									<label for="targetVersion" class="col-sm-3 text-sm-right col-form-label"><la:message