Getting error while running baklava on local pc

[FiratDede]

Issue description

Hello, I forked 'next' branch of this repo for contributing. Then I cloned this repo to my local pc. After I prepared playground/index.html file, I executed the commands below respectively in root directory:

npm install
npm run serve

After running these commands, when I open my chrome browser, I cannot see baklava button, and I got the error in the screenshot below which is :

css-tag.ts:173 Uncaught TypeError: Failed to set the 'adoptedStyleSheets' property on 'ShadowRoot': Failed to convert value to 'CSSStyleSheet'.
    at K (css-tag.ts:173:32)
    at t.createRenderRoot (reactive-element.ts:1024:5)
    at t.createRenderRoot (lit-element.ts:139:30)
    at t.connectedCallback (reactive-element.ts:1043:27)
    at t.connectedCallback (lit-element.ts:189:11)
    at t.connectedCallback (bl-button.ts:134:11)
    at custom-element.ts:21:18
    at custom-element.ts:28:10
    at s (chunk-IZ2LK5GK.js:1:687)
    at bl-button.ts:26:1

Media & Screenshots

Baklava Version

No response

Operating system

• OS: [e.g. iOS]: Windows
• Browser [e.g. chrome, safari]: Chrome 130.0.6723.92

Priority this issue should have

Medium (should be fixed soon)

Please review the checkboxes that are applicable.

• This issue is directly related to React