Pokemon Sleep is the latest video game in the Pokemon franchise that basically allows users to set a sleeping goal every night to get a good amount of sleep on time to get maximum rewards. Unfortunately, most video games come with bugs or stability issues that we can’t deny. Meanwhile, the beta version can also cause multiple conflicts. But somehow the Pokemon Sleep 009901 Error Code is getting frustrating to several users irrespective of their mobile devices.
Whenever users or players try to run the Pokemon Sleep game on a mobile device, the “Error Code: 009901” message appears on the screen. This particular error code indicates that the handset you’re using is either incompatible with the Pokemon Sleep application or the app has become outdated. Sometimes corrupted game application or the app cache data issue can also trouble you a lot. So, if you’re also facing the same issue, make sure to check out this article.

Fix: Pokemon Sleep 009901 Error Code
Luckily, here we’ve provided you with a couple of potential workarounds that should help in resolving such an issue. Ensure to check out all the methods below until the problem has been fixed. So, without further ado, let’s jump into it.
1. Reboot the Handset
Before performing any other workarounds, make sure to restart your Android or iOS device manually. It’ll ensure whether the device cache or temporary glitch is bothering you or not. It seems that a normal reboot of the device might help in fixing the error code 010100.