Sites manager under admin tools is not working. Below error is thrown.
Caused by: org.alfresco.service.cmr.repository.TemplateException: 01270323 Error during processing of the template 'The following has evaluated to null or missing: ==> jsonUtils.encodeJSONString(x) [in template "org/alfresco/repository/site/site-admin-sites.get.json.ftl" at line 4, column 15] Tip: If the failing expression is known to be legally null/missing, either specify a default value with myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthessis: (myOptionVar.foo)!myDefault, (myOptionVar.foo)?? The failing instruction (print stack trace for 3 more): ==> ${manager.firstName} auto-escaped [in template "org/alfresco/repository/site/site-admin-sites.get.json.ftl" in macro "siteJSON" at line 19, column 52]'. Please contact your system administrator. at org.alfresco.repo.template.FreeMarkerProcessor.process(FreeMarkerProcessor.java:234) at org.springframework.extensions.webscripts.AbstractWebScript.renderTemplate(AbstractWebScript.java:967) at org.springframework.extensions.webscripts.DeclarativeWebScript.renderFormatTemplate(DeclarativeWebScript.java:267) at org.springframework.extensions.webscripts.DeclarativeWebScript.execute(DeclarativeWebScript.java:147) ... 34 more Caused by: freemarker.core.InvalidReferenceException: The following has evaluated to null or missing: ==> jsonUtils.encodeJSONString(x) [in template "org/alfresco/repository/site/site-admin-sites.get.json.ftl" at line 4, column 15] Tip: If the failing expression is known to be legally null/missing, either specify a default value with myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthessis: (myOptionVar.foo)!myDefault, (myOptionVar.foo)?? The failing instruction (print stack trace for 3 more): ==> ${manager.firstName} auto-escaped [in template "org/alfresco/repository/site/site-admin-sites.get.json.ftl" in macro "siteJSON" at line 19, column 52] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:98)
