When I execute update Attributes in my model update_attributes prod_id: 34978273492, it returns Unknown modifier: $pushAll (9).
What is the root cause. TIA
When I execute update Attributes in my model update_attributes prod_id: 34978273492, it returns Unknown modifier: $pushAll (9).
What is the root cause. TIA
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In MongoDB 3.6 the deprecated $pushAll operator was removed, see for more details here. If updating
mongoidto the latest version doesn't solve the problem, the only solution is to downgrade your Mongo version to 3.4.X