Auth Error (102) when adding account

[isaac-newbton]

RainLoop version, browser, OS:
1.13.0, Chrome, Ubuntu 18.04

Expected behavior and actual behavior:
Expected: Add account by using "Add Account" in /settings/accounts
Actual: Authentication error code 102

Steps to reproduce the problem:
Go to /settings/accounts, add an account, after clicking "+Add" it says "Authentication failed" - network tab says code 102 from the POST

Logs or screenshots:
Log is scrubbed of actual data (IP, username, password, path to install)

[04:55:34.577][4db05e3f] INFO[DATA]: [DATE:27.08.19][OFFSET:-00][RL:1.13.0][PHP:7.2.19-0ubuntu0.18.04.2][IP:0.0.0.0][PID:8334][Apache/2.4.29 (Ubuntu)][apache2handler]
[04:55:34.577][4db05e3f] INFO[DATA]: [Suhosin:off][APC:on][MB:on][PDO:mysql][Streams:tcp,udp,unix,udg,ssl,tls,tlsv1.0,tlsv1.1,tlsv1.2]
[04:55:34.578][4db05e3f] REQUEST[NOTE]: [POST] https://emaildomain.com/?/Ajax/&q[]=/{POST_DATA_HERE}/
[04:55:34.578][4db05e3f] AJAX[NOTE]: Action: DoAccountSetup
[04:55:34.578][4db05e3f] POST[DATA]: {"Email":"EMAIL1@EMAILDOMAIN.COM","Password":"TRYPASSWORD","New":"1","Action":"AccountSetup","XToken":"88bd84f26cc836cc1e47acba689a1f8a"}
[04:55:34.580][4db05e3f] IMAP[NOTE]: Start connection to "ssl://127.0.0.1:993"
[04:55:34.601][4db05e3f] IMAP[NOTE]: Connected (success)
[04:55:34.644][4db05e3f] IMAP[DATA]: < * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN AUTH=LOGIN] Dovecot (Ubuntu) ready.\r\n
[04:55:34.646][4db05e3f] IMAP[DATA]: > TAG1 AUTHENTICATE PLAIN\r\n
[04:55:34.646][4db05e3f] IMAP[DATA]: < + \r\n
[04:55:34.650][4db05e3f] IMAP[SECURE]: > *******\r\n
[04:55:38.372][4db05e3f] IMAP[DATA]: < TAG1 NO [AUTHENTICATIONFAILED] Authentication failed.\r\n
[04:55:38.372][4db05e3f] IMAP[WARNING]: MailSo\Imap\Exceptions\NegativeResponseException: MailSo-Imap-Exceptions-NegativeResponseException (ImapClient.php ~ 1876) in /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php:1876
Stack trace:
#0 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php(1953): MailSo\Imap\ImapClient->validateResponse(Array)
#1 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php(283): MailSo\Imap\ImapClient->parseResponseWithValidation()
#2 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Mail/MailClient.php(93): MailSo\Imap\ImapClient->Login('email1@emaildom...', '*******', '', true, false)
#3 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Model/Account.php(469): MailSo\Mail\MailClient->Login('email1@emaildom...', '*******', '', true, false)
#4 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2078): RainLoop\Model\Account->IncConnectAndLoginHelper(Object(RainLoop\Plugins\Manager), Object(MailSo\Mail\MailClient), Object(RainLoop\Config\Application))
#5 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2329): RainLoop\Actions->CheckMailConnection(Object(RainLoop\Model\Account), true)
#6 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2861): RainLoop\Actions->LoginProcess('email1@emaildom...', '*******', '', '', false, true)
#7 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/ServiceActions.php(172): RainLoop\Actions->DoAccountSetup()
#8 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(152): RainLoop\ServiceActions->ServiceAjax('')
#9 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(62): RainLoop\Service->localHandle()
#10 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(85): RainLoop\Service->__construct()
#11 /path_to_rainloop/rainloop/v/1.13.0/app/handle.php(94): RainLoop\Service::Handle()
#12 /path_to_rainloop/rainloop/v/1.13.0/include.php(228): include('/path_to_rainloop...')
#13 /path_to_rainloop/index.php(13): include('/path_to_rainloop...')
#14 {main}
[04:55:38.372][4db05e3f] IMAP[NOTICE]: MailSo\Imap\Exceptions\NegativeResponseException: MailSo-Imap-Exceptions-NegativeResponseException (ImapClient.php ~ 1876) in /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php:1876
Stack trace:
#0 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php(1953): MailSo\Imap\ImapClient->validateResponse(Array)
#1 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php(283): MailSo\Imap\ImapClient->parseResponseWithValidation()
#2 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Mail/MailClient.php(93): MailSo\Imap\ImapClient->Login('email1@emaildom...', '*******', '', true, false)
#3 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Model/Account.php(469): MailSo\Mail\MailClient->Login('email1@emaildom...', '*******', '', true, false)
#4 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2078): RainLoop\Model\Account->IncConnectAndLoginHelper(Object(RainLoop\Plugins\Manager), Object(MailSo\Mail\MailClient), Object(RainLoop\Config\Application))
#5 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2329): RainLoop\Actions->CheckMailConnection(Object(RainLoop\Model\Account), true)
#6 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2861): RainLoop\Actions->LoginProcess('email1@emaildom...', '*******', '', '', false, true)
#7 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/ServiceActions.php(172): RainLoop\Actions->DoAccountSetup()
#8 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(152): RainLoop\ServiceActions->ServiceAjax('')
#9 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(62): RainLoop\Service->localHandle()
#10 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(85): RainLoop\Service->__construct()
#11 /path_to_rainloop/rainloop/v/1.13.0/app/handle.php(94): RainLoop\Service::Handle()
#12 /path_to_rainloop/rainloop/v/1.13.0/include.php(228): include('/path_to_rainloop...')
#13 /path_to_rainloop/index.php(13): include('/path_to_rainloop...')
#14 {main}

Next MailSo\Imap\Exceptions\LoginBadCredentialsException: MailSo-Imap-Exceptions-LoginBadCredentialsException (ImapClient.php ~ 314) in /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php:314
Stack trace:
#0 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Mail/MailClient.php(93): MailSo\Imap\ImapClient->Login('email1@emaildom...', '*******', '', true, false)
#1 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Model/Account.php(469): MailSo\Mail\MailClient->Login('email1@emaildom...', '*******', '', true, false)
#2 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2078): RainLoop\Model\Account->IncConnectAndLoginHelper(Object(RainLoop\Plugins\Manager), Object(MailSo\Mail\MailClient), Object(RainLoop\Config\Application))
#3 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2329): RainLoop\Actions->CheckMailConnection(Object(RainLoop\Model\Account), true)
#4 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2861): RainLoop\Actions->LoginProcess('email1@emaildom...', '*******', '', '', false, true)
#5 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/ServiceActions.php(172): RainLoop\Actions->DoAccountSetup()
#6 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(152): RainLoop\ServiceActions->ServiceAjax('')
#7 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(62): RainLoop\Service->localHandle()
#8 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(85): RainLoop\Service->__construct()
#9 /path_to_rainloop/rainloop/v/1.13.0/app/handle.php(94): RainLoop\Service::Handle()
#10 /path_to_rainloop/rainloop/v/1.13.0/include.php(228): include('/path_to_rainloop...')
#11 /path_to_rainloop/index.php(13): include('/path_to_rainloop...')
#12 {main}
[04:55:38.373][4db05e3f] INFO[ERROR]: MailSo\Imap\Exceptions\NegativeResponseException: MailSo-Imap-Exceptions-NegativeResponseException (ImapClient.php ~ 1876) in /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php:1876
Stack trace:
#0 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php(1953): MailSo\Imap\ImapClient->validateResponse(Array)
#1 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php(283): MailSo\Imap\ImapClient->parseResponseWithValidation()
#2 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Mail/MailClient.php(93): MailSo\Imap\ImapClient->Login('email1@emaildom...', '*******', '', true, false)
#3 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Model/Account.php(469): MailSo\Mail\MailClient->Login('email1@emaildom...', '*******', '', true, false)
#4 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2078): RainLoop\Model\Account->IncConnectAndLoginHelper(Object(RainLoop\Plugins\Manager), Object(MailSo\Mail\MailClient), Object(RainLoop\Config\Application))
#5 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2329): RainLoop\Actions->CheckMailConnection(Object(RainLoop\Model\Account), true)
#6 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2861): RainLoop\Actions->LoginProcess('email1@emaildom...', '*******', '', '', false, true)
#7 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/ServiceActions.php(172): RainLoop\Actions->DoAccountSetup()
#8 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(152): RainLoop\ServiceActions->ServiceAjax('')
#9 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(62): RainLoop\Service->localHandle()
#10 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(85): RainLoop\Service->__construct()
#11 /path_to_rainloop/rainloop/v/1.13.0/app/handle.php(94): RainLoop\Service::Handle()
#12 /path_to_rainloop/rainloop/v/1.13.0/include.php(228): include('/path_to_rainloop...')
#13 /path_to_rainloop/index.php(13): include('/path_to_rainloop...')
#14 {main}

Next MailSo\Imap\Exceptions\LoginBadCredentialsException: MailSo-Imap-Exceptions-LoginBadCredentialsException (ImapClient.php ~ 314) in /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Imap/ImapClient.php:314
Stack trace:
#0 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/MailSo/Mail/MailClient.php(93): MailSo\Imap\ImapClient->Login('email1@emaildom...', '*******', '', true, false)
#1 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Model/Account.php(469): MailSo\Mail\MailClient->Login('email1@emaildom...', '*******', '', true, false)
#2 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2078): RainLoop\Model\Account->IncConnectAndLoginHelper(Object(RainLoop\Plugins\Manager), Object(MailSo\Mail\MailClient), Object(RainLoop\Config\Application))
#3 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2329): RainLoop\Actions->CheckMailConnection(Object(RainLoop\Model\Account), true)
#4 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2861): RainLoop\Actions->LoginProcess('email1@emaildom...', '*******', '', '', false, true)
#5 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/ServiceActions.php(172): RainLoop\Actions->DoAccountSetup()
#6 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(152): RainLoop\ServiceActions->ServiceAjax('')
#7 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(62): RainLoop\Service->localHandle()
#8 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(85): RainLoop\Service->__construct()
#9 /path_to_rainloop/rainloop/v/1.13.0/app/handle.php(94): RainLoop\Service::Handle()
#10 /path_to_rainloop/rainloop/v/1.13.0/include.php(228): include('/path_to_rainloop...')
#11 /path_to_rainloop/index.php(13): include('/path_to_rainloop...')
#12 {main}

Next RainLoop\Exceptions\ClientException: AuthError[102] in /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php:2097
Stack trace:
#0 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2329): RainLoop\Actions->CheckMailConnection(Object(RainLoop\Model\Account), true)
#1 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Actions.php(2861): RainLoop\Actions->LoginProcess('email1@emaildom...', '*******', '', '', false, true)
#2 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/ServiceActions.php(172): RainLoop\Actions->DoAccountSetup()
#3 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(152): RainLoop\ServiceActions->ServiceAjax('')
#4 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(62): RainLoop\Service->localHandle()
#5 /path_to_rainloop/rainloop/v/1.13.0/app/libraries/RainLoop/Service.php(85): RainLoop\Service->__construct()
#6 /path_to_rainloop/rainloop/v/1.13.0/app/handle.php(94): RainLoop\Service::Handle()
#7 /path_to_rainloop/rainloop/v/1.13.0/include.php(228): include('/path_to_rainloop...')
#8 /path_to_rainloop/index.php(13): include('/path_to_rainloop...')
#9 {main}
[04:55:38.373][4db05e3f] AJAX[DATA]: {"Action":"AccountSetup","Result":false,"ErrorCode":102,"ErrorMessage":"","ErrorMessageAdditional":"","Time":3811}
[04:55:38.385][4db05e3f] INFO[MEMORY]: Memory peak usage: 2MB
[04:55:38.385][4db05e3f] INFO[TIME]: Time delta: 3.8198671340942
[04:55:38.388][4db05e3f] IMAP[NOTE]: Disconnected from "ssl://127.0.0.1:993" (success)