InvalidArgumentError: Name: <unknown>, Feature: distractor_1 (data type: int64) is required but could not be found. [[{{node read_batch_features_eval/ParseExample/ParseExample}}]]

[NazaninSA]

Hi,
While training I face this error, anyone has any solution ?

InvalidArgumentError: Name: , Feature: distractor_1 (data type: int64) is required but could not be found.
[[{{node read_batch_features_eval/ParseExample/ParseExample}}]]

Thanks