# Can't Launch Local by Flywheel

**URL:** <https://community.localwp.com/t/cant-launch-local-by-flywheel/3585>\
**Category:** Support\
**Created:** [November 3, 2017, 3:20pm UTC](https://community.localwp.com/t/cant-launch-local-by-flywheel/3585 "2017-11-03T15:20:42Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![ixkaito](https://sea1.discourse-cdn.com/flex019/user_avatar/community.localwp.com/ixkaito/32/82_2.png) [@ixkaito](https://community.localwp.com/u/ixkaito)\
**Post date:** [November 3, 2017, 3:20pm UTC](https://community.localwp.com/t/cant-launch-local-by-flywheel/3585/1 "2017-11-03T15:20:42Z")

</div>

I can’t start Local, and it displays the following message.

```
Uncaught Exception:
RangeError: Invalid typed array length
    at Buffer.Uint8Array (native)
    at FastBuffer (buffer.js:11:5)
    at createUnsafeBuffer (buffer.js:37:10)
    at allocate (buffer.js:189:12)
    at Function.Buffer.allocUnsafe (buffer.js:152:10)
    at tryCreateBuffer (fs.js:468:21)
    at Object.fs.readFileSync (fs.js:502:14)
    at Object.fs.readFileSync (ELECTRON_ASAR.js:505:29)
    at copyFileSync (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/copy.js:88:19)
    at copyItemSync (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/copy.js:129:5)
    at treeWalker.sync (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/copy.js:144:7)
    at walkSync (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/utils/tree_walker.js:21:3)
    at list.sync.forEach (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/utils/tree_walker.js:24:7)
    at Array.forEach (native)
    at walkSync (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/utils/tree_walker.js:23:21)
    at list.sync.forEach (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/utils/tree_walker.js:24:7)
    at Array.forEach (native)
    at walkSync (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/utils/tree_walker.js:23:21)
    at Object.initialWalkSync [as sync] (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/utils/tree_walker.js:30:3)
    at Object.copySync [as sync] (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/copy.js:140:14)
    at Object.copy (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/node_modules/fs-jetpack/lib/jetpack.js:78:12)
    at Object.<anonymous> (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/main-process.js:1:9110)
    at Object.<anonymous> (/Applications/Local by Flywheel.app/Contents/Resources/app.asar/main-process.js:2:3)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Object.<anonymous> (/Applications/Local by Flywheel.app/Contents/Resources/electron.asar/browser/init.js:171:8)
    at Object.<anonymous> (/Applications/Local by Flywheel.app/Contents/Resources/electron.asar/browser/init.js:173:3)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.runMain (module.js:605:10)
    at run (bootstrap_node.js:431:7)
    at startup (bootstrap_node.js:155:9)
    at bootstrap_node.js:551:3
```

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<div class="post-metadata">

**Author:** ![clay](https://sea1.discourse-cdn.com/flex019/user_avatar/community.localwp.com/clay/32/8248_2.png) [@clay](https://community.localwp.com/u/clay)\
**Post date:** [November 3, 2017, 3:26pm UTC](https://community.localwp.com/t/cant-launch-local-by-flywheel/3585/2 "2017-11-03T15:26:32Z")

</div>

Hi @ixkaito,

Sorry about that!

Are you upgrading from Pressmatic?

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<div class="post-metadata">

**Author:** ![ixkaito](https://sea1.discourse-cdn.com/flex019/user_avatar/community.localwp.com/ixkaito/32/82_2.png) [@ixkaito](https://community.localwp.com/u/ixkaito)\
**Post date:** [November 3, 2017, 3:32pm UTC](https://community.localwp.com/t/cant-launch-local-by-flywheel/3585/3 "2017-11-03T15:32:32Z")

</div>

I used to use Pressmatic, but it doesn’t work anymore, so I uninstalled Pressmatic. I solved this problem by removing `pressmatic` and `Local by Flywheel` folders in `~/Library/Application Support/`. Thanks 🙂

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<div class="post-metadata">

**Author:** ![system](https://sea1.discourse-cdn.com/flex019/user_avatar/community.localwp.com/system/32/1_2.png) [@system](https://community.localwp.com/u/system)\
**Post date:** [August 25, 2020, 6:32pm UTC](https://community.localwp.com/t/cant-launch-local-by-flywheel/3585/4 "2020-08-25T18:32:57Z")

</div>