How to setup repeatable field

[gumpon]

Bug report

What I did:

What I expected to happen:

{"name":"value","label":"Job Progress and Timeline", "title":"Timeline",
"type":"repeatable","fields": {{"name": "job","type": "text"},{"name": "createdate","type": "datetime"}}}

What happened:

ErrorException
Trying to access array offset on value of type null

What I've already tried to fix it:

Backpack, Laravel, PHP, DB version:

PHP VERSION:

PHP 7.4.8 (cli) (built: Jul 9 2020 11:30:39) ( ZTS Visual C++ 2017 x64 )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies

LARAVEL VERSION:

v7.22.4@30e851a2b3a2af73fba0b7f4fa22b04260db98e7

BACKPACK VERSION:

4.1.15@6c751de946a9c8511dd32eb7bfa3ca6a568849f5

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[adrienne]

@tabacitu I'm getting a different error, but this is still happening. The error I get is
Undefined array key "label"