Warning - SuperCell ID Problems with Boom Beach

Beware, there appear to be issues with SuperCell ID which are affecting a few players so I thought I would post a quick tutorial on how to fix it and get back into your account and/or avoid the issues altogether. It's a bit of a hack so I'd suggest contacting support instead!
SuperCell's video guide:
• Video
I am not affiliated with SuperCell. If you have any issues I'll do my best to help but your best bet is always to contact in game support!
The steps:
AccountA = doesn't have supercell ID option in settings
AccountB = has supercell ID option in settings
To get from AccountB to AccountA on iOSs:
1. login to AccountA (in Game Center settings)
2. logout of Supercell id
3. click play without supercell id
4. click 'load AccountB base' when game center prompts
- game will ignore and continue the tutorial
5. delete boom beach
6. install boom beach
7. launch boom beach, it will load AccountB
8. when you close boom beach you will again be locked out of your account. Start over from step 2
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