groovy - Grails pagination tag error -

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i have error when click on pagination button:
error processing groovypageview: tag [paginate] missing required attribute [total] @ /home/user1/workspace/adm-appserver-manager/grails-app/views/emailnotification/status.gsp:59

and code is: in gsp: 

<div class="paginatebuttons">              <g:paginate total="${emailnotificationinstancetotal}" />    </div>

in controller: 

def status = {     [         emailnotificationinstancelist:emailnotification.findallbystatus(emailnotification.status.sent, params ),         emailnotificationinstancetotal:emailnotification.countbystatus(emailnotification.status.sent)       ] }

i mention total attribute don't know why error appear

make sure controller returning parameter in return or render. should add default value in controller or view, in case source call fails.

<g:paginate total="${emailnotificationinstancetotal?:0}" />

or

emailnotificationinstancetotal: emailnotification.countbystatus(emailnotification.status.sent)?:0

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