Admin password reset throws NPE

2018-03-16 16:02:24.652 ERROR o.y.c.d.m.c.ManagerRegistrationMessageListener:69 - Manager registration email error RegistrationMessageImpl{shopCode='null', email='xxxxxx@xxxxxxx', firstn
ame='XXXXXX', lastname='XXXXX', pathToTemplateFolder='[/admin/mail/, /default/mail/]', templateName='adm-passwd'}, cause: null
java.lang.NullPointerException: null
        at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
        at org.yes.cart.service.mail.impl.MailComposerTemplateSupportGroovyImpl.lazyLoad(MailComposerTemplateSupportGroovyImpl.java:66)
        at org.yes.cart.service.mail.impl.MailComposerTemplateSupportGroovyImpl.processTemplate(MailComposerTemplateSupportGroovyImpl.java:57)
        at org.yes.cart.service.mail.impl.MailComposerImpl.processTemplate(MailComposerImpl.java:440)
        at org.yes.cart.service.mail.impl.MailComposerImpl.processTemplate(MailComposerImpl.java:402)
        at org.yes.cart.service.mail.impl.MailComposerImpl.composeMessage(MailComposerImpl.java:480)
        at org.yes.cart.domain.message.consumer.ManagerRegistrationMessageListener.processMessage(ManagerRegistrationMessageListener.java:92)
        at org.yes.cart.domain.message.consumer.ManagerRegistrationMessageListener.run(ManagerRegistrationMessageListener.java:67)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)