Your NylasID is invalid. Please log out then log back in.

Are there any related issues?

Not that I could find.

What operating system are you using?

MacOS 10.12.3 (16D32)

What version of Nylas Mail are you using?

1.0.32

–

Bug?

Do you have any third-party plugins installed? If so, which ones?

Ido theme

Is the issue related to a specific email provider (Gmail, Exchange, etc.)?

Not sure, possibly Fastmail (specifically SMTP.)

Is the issue reproducible with a particular attachment, message, signature, etc?

No

–

After having a couple messages fail to send from my Fastmail account, I toggled the debug flags by selecting “Run with Debug flags” from the “Developer” menu. Now, when Nylas launches I am greeted with an error dialog that says:

Your NylasID is invalid. Please log out then log back in. Actions like sending and receiving mail require this token. Please log back into your Nylas ID to restore it—your email accounts will not be removed in this process. [Log Out]

I have attempted to login, and even changed my password, but I cannot get passed the Nylas ID login scene.

After clicking the “Log out” button on the system dialog, it immediately reappears. This happens four times in a row before it seems like Nylas restarts (the login window goes away) and then the process starts all over again. Nylas will only quit when force quit.

I tried removing everything in ~/Library/Application\ Support/Nylas\ Mail which had no effect.

[jstejada]

This should be gixed in the next release!

[tastyminerals]

After working for couple of days Nylas started to throw the same error on Manjaro Linux 😦