[RAILS] Error encountered in tagging function implementation

[Implementing tagging function using form object]

スクリーンショット 2020-10-16 17.10.06.png

Enter all the required items and press the Sell button.

↓

Then NoMethodError スクリーンショット 2020-10-16 17.13.07.png

Cause of error [Conclusion] It seems that the cause is inclusion, which is a validation option! !! !! スクリーンショット 2020-10-16 17.27.55.png

Reason: The include method cannot be used in the ActiveModel specifications

[Solution] Change the way validation is written スクリーンショット 2020-10-16 18.06.41.png ((Like this ↑))

If you want to know more, please see below ↓↓↓

[Verification to clarify the cause of the error that occurred first]

~ Verification ~ Apply binding.pry to create on the controller.

スクリーンショット 2020-10-16 17.20.06.png

Hypothesis ① Played by validation スクリーンショット 2020-10-16 17.21.11.png Hypothesis ② Played due to price スクリーンショット 2020-10-16 17.19.32.png

Change the price validation to solve it! スクリーンショット 2020-10-16 17.25.42.png ↓ スクリーンショット 2020-10-16 18.29.29.png

[Supplement] It seems that you can change to this description! !! !! スクリーンショット 2020-10-21 12.50.39.png

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