Vue el-table Error: Duplicated keys detected This may casuse an update error

Errors are similar to

The component used is El table. Combined with the prompt in the figure, the key should be repeated when TL table renders the row node again.

El table has an EL key attribute. My assignment is: row key = “step”_ id”

Combined with data, step_ ID does have a duplicate. Replace with:


A key value that will not be repeated will solve the problem.

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