# unknown mistake in mediasoup-client

**URL:** <https://mediasoup.discourse.group/t/unknown-mistake-in-mediasoup-client/5207>\
**Category:** mediasoup libraries\
**Created:** [May 6, 2023, 8:31am UTC](https://mediasoup.discourse.group/t/unknown-mistake-in-mediasoup-client/5207 "2023-05-06T08:31:06Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![yygqlxh](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/yygqlxh/32/2158_2.png) [@yygqlxh](https://mediasoup.discourse.group/u/yygqlxh)\
**Post date:** [May 6, 2023, 8:31am UTC](https://mediasoup.discourse.group/t/unknown-mistake-in-mediasoup-client/5207/1 "2023-05-06T08:31:06Z")

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![image](https://global.discourse-cdn.com/free1/uploads/mediasoup/original/2X/1/15402ec877c47f5188dacbb059b6489a32c913a5.png)  
what kind of loader is appropriate

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**Author:** ![piranna](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/piranna/32/934_2.png) [@piranna](https://mediasoup.discourse.group/u/piranna)\
**Post date:** [May 6, 2023, 9:09am UTC](https://mediasoup.discourse.group/t/unknown-mistake-in-mediasoup-client/5207/2 "2023-05-06T09:09:54Z")

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How are you loading / bundling your code?

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**Author:** ![snnz](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/snnz/32/693_2.png) [@snnz](https://mediasoup.discourse.group/u/snnz)\
**Post date:** [May 6, 2023, 9:19am UTC](https://mediasoup.discourse.group/t/unknown-mistake-in-mediasoup-client/5207/3 "2023-05-06T09:19:41Z")

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This means that spread in object literal is not recognized. The module is intended to be used by Chrome \>= 70, and Chrome supports spread in object literals since version 60.

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<div class="post-metadata">

**Author:** ![yygqlxh](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/yygqlxh/32/2158_2.png) [@yygqlxh](https://mediasoup.discourse.group/u/yygqlxh)\
**Post date:** [May 6, 2023, 9:36am UTC](https://mediasoup.discourse.group/t/unknown-mistake-in-mediasoup-client/5207/4 "2023-05-06T09:36:29Z")

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module: {  
rules: [  
{  
test: /.vue$/,  
loader: ‘vue-loader’,  
options: vueLoaderConfig  
},  
{  
test: /.js$/,  
loader: ‘babel-loader’,  
include: [resolve(‘src’), resolve(‘test’), resolve(‘node\_modules/webpack-dev-server/client’)]  
},  
{  
test: /.(png|jpe?g|gif|svg)(?._)?$/,  
loader: ‘url-loader’,  
options: {  
limit: 10000,  
name: utils.assetsPath(‘img/[name].[hash:7].[ext]’)  
}  
},  
{  
test: /.(mp4|webm|ogg|mp3|wav|flac|aac)(?._)?$/,  
loader: ‘url-loader’,  
options: {  
limit: 10000,  
name: utils.assetsPath(‘media/[name].[hash:7].[ext]’)  
}  
},  
{  
test: /.(woff2?|eot|ttf|otf)(?.\*)?$/,  
loader: ‘url-loader’,  
options: {  
limit: 10000,  
name: utils.assetsPath(‘fonts/[name].[hash:7].[ext]’)  
}  
}  
]  
},

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<div class="post-metadata">

**Author:** ![yygqlxh](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/yygqlxh/32/2158_2.png) [@yygqlxh](https://mediasoup.discourse.group/u/yygqlxh)\
**Post date:** [May 6, 2023, 9:38am UTC](https://mediasoup.discourse.group/t/unknown-mistake-in-mediasoup-client/5207/5 "2023-05-06T09:38:59Z")

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I can not understand ，and i think it is not about the browser

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<div class="post-metadata">

**Author:** ![yygqlxh](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/yygqlxh/32/2158_2.png) [@yygqlxh](https://mediasoup.discourse.group/u/yygqlxh)\
**Post date:** [May 6, 2023, 9:42am UTC](https://mediasoup.discourse.group/t/unknown-mistake-in-mediasoup-client/5207/6 "2023-05-06T09:42:01Z")

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new question

 ![image](https://global.discourse-cdn.com/free1/uploads/mediasoup/original/2X/6/665bfa3594e74da8acf1d6af1f3484044d0a7648.png)

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<div class="post-metadata">

**Author:** ![zaidiqbal](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/zaidiqbal/32/1498_2.png) [@zaidiqbal](https://mediasoup.discourse.group/u/zaidiqbal)\
**Post date:** [May 6, 2023, 2:55pm UTC](https://mediasoup.discourse.group/t/unknown-mistake-in-mediasoup-client/5207/7 "2023-05-06T14:55:04Z")

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This indicates that mediasoup is not installed properly, go the to path mentioned in error and see if the mediasoup-worker file is there.