ERM admin/triggerHousekeeping fails

{
    "error": 500,
    "message": "java.lang.NullPointerException: Cannot invoke method size() on null object",
    "stackTrace": [
        "org.olf.CoverageService.collateCoverageStatements(CoverageService.groovy:291)",
        "java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)",
        "org.olf.ErmHousekeepingService.$tt__triggerHousekeeping(ErmHousekeepingService.groovy:17)",
        "java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)",
        "java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)",
        "java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)",
        "java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)",
        "grails.gorm.transactions.GrailsTransactionTemplate$2.doInTransaction(GrailsTransactionTemplate.groovy:94)",
        "org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)",
        "grails.gorm.transactions.GrailsTransactionTemplate.execute(GrailsTransactionTemplate.groovy:91)",
        "org.olf.AdminController.$mt__triggerHousekeeping(AdminController.groovy:95)",
        "java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)",
        "java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)",
        "java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)",
        "java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)",
        "grails.gorm.multitenancy.Tenants$_withId_closure2$_closure6.doCall(Tenants.groovy:265)",
        "org.grails.orm.hibernate.GrailsHibernateTemplate.doExecute(GrailsHibernateTemplate.java:297)",
        "org.grails.orm.hibernate.GrailsHibernateTemplate.execute(GrailsHibernateTemplate.java:241)",
        "org.grails.orm.hibernate.GrailsHibernateTemplate.executeWithNewSession(GrailsHibernateTemplate.java:153)",
        "org.grails.orm.hibernate.GrailsHibernateTemplate.executeWithExistingOrCreateNewSession(GrailsHibernateTemplate.java:207)",
        "org.grails.orm.hibernate.AbstractHibernateDatastore.withNewSession(AbstractHibernateDatastore.java:369)",
        "grails.gorm.multitenancy.Tenants$_withId_closure2.doCall(Tenants.groovy:258)",
        "grails.gorm.multitenancy.Tenants$CurrentTenant.withTenant(Tenants.groovy:358)",
        "grails.gorm.multitenancy.Tenants.withId(Tenants.groovy:236)",
        "org.grails.datastore.gorm.services.DefaultTenantService.withCurrent(DefaultTenantService.groovy:71)",
        "org.grails.core.DefaultGrailsControllerClass$MethodHandleInvoker.invoke(DefaultGrailsControllerClass.java:223)",
        "org.grails.core.DefaultGrailsControllerClass.invoke(DefaultGrailsControllerClass.java:188)",
        "org.grails.web.mapping.mvc.UrlMappingsInfoHandlerAdapter.handle(UrlMappingsInfoHandlerAdapter.groovy:90)",
        "org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)",
        "org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)",
        "org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)",
        "org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)",
        "org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)",
        "io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)",
        "io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)",
        "io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)",
        "io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)",
        "org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)",
        "org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)",
        "grails.plugin.springsecurity.web.UpdateRequestContextHolderExceptionTranslationFilter.doFilter(UpdateRequestContextHolderExceptionTranslationFilter.groovy:64)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "grails.plugin.springsecurity.web.filter.GrailsAnonymousAuthenticationFilter.doFilter(GrailsAnonymousAuthenticationFilter.groovy:54)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:150)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "grails.plugin.springsecurity.web.authentication.logout.MutableLogoutFilter.doFilter(MutableLogoutFilter.groovy:64)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "grails.plugin.springsecurity.web.SecurityRequestHolderFilter.doFilter(SecurityRequestHolderFilter.groovy:58)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "com.k_int.okapi.springsecurity.OkapiAuthenticationFilter.successfulAuthentication(OkapiAuthenticationFilter.groovy:87)",
        "org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:240)",
        "org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)",
        "org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)",
        "org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)",
        "io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)",
        "io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)",
        "org.grails.web.servlet.mvc.GrailsWebRequestFilter.doFilterInternal(GrailsWebRequestFilter.java:77)",
        "io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)",
        "io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)",
        "org.grails.web.filters.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:67)",
        "io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)",
        "io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)",
        "io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)",
        "io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)",
        "io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)",
        "io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)",
        "io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)",
        "io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)",
        "io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)",
        "io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)",
        "io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)",
        "io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)",
        "io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)",
        "io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132)",
        "io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)",
        "io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)",
        "io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)",
        "io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)",
        "io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)",
        "io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)",
        "io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)",
        "io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)",
        "io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)",
        "io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)",
        "io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)",
        "io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)",
        "io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)",
        "io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)",
        "io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)",
        "io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)",
        "io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)",
        "io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)",
        "io.undertow.server.Connectors.executeRootHandler(Connectors.java:376)",
        "io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)",
        "java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)",
        "java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)",
        "java.base/java.lang.Thread.run(Thread.java:834)"
    ]
}