Buefy: Detailed b-table throws duplicate keys detected error

[teryngull]

Overview of the problem

Buefy version: 0.6.2
Vuejs version: 2.5.13
OS/Browser: Chrome, Firefox, and IE11

Description

When using the detailed table from the examples (https://buefy.github.io/#/documentation/table), there is a console error when expanding the rows. The error is:

found in
--->

Steps to reproduce

1. Copy sample code from the table section of the documentation for the detailed table.
2. Open the developer's console window.
3. Expand one of the rows.
4. See the console error as stated above.

Expected behavior

No console errors should happen when expanding to see the detailed row of the table.

Actual behavior

Console error was displayed:
found in
--->

[rafaelpimpa]

This is fixed in dev branch, fixed for next release

[StanislavBerezin]

I face the same issue :(

[bwayne2015]

Facing the Same Issue Here