2695430 - Content Refresh Error - Sequence contains more than one element

When running a content refresh on the report, there is an error

Note: running it on the chapter works OK

The application server log shows:

2018-09-18 05:22:07.8966 [89] [ERROR] ==>
-------- Begin --------
ErrorID: 53306bf0-1921-4d3a-b6b4-46200bb98157
Error in path: Unknown
Raw url: Unknown
Message: Sequence contains more than one element
Source: System.Data.Linq
Stack trace: at System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult)
at System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries)
at System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query)
at System.Data.Linq.DataQuery`1.System.Linq.IQueryProvider.Execute[S](Expression expression)
at System.Linq.Queryable.SingleOrDefault[TSource](IQueryable`1 source, Expression`1 predicate)
at SAP.DM.Info.Repository.SqlInfoRepository.GetBriefingBookByChapterId(Int32 chapterId)
at Castle.Proxies.Invocations.IInfoRepository_GetBriefingBookByChapterId.InvokeMethodOnTarget()
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at SAP.DM.Repository.SqlRepositoryExceptionInterceptor.Intercept(IInvocation invocation)
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at Castle.Proxies.IInfoRepositoryProxy.GetBriefingBookByChapterId(Int32 chapterId)
at SAP.DM.Info.InfoManager.SAP.DM.Info.IInfoManager.GetBriefingBookXmlFromCache(Nullable`1 chapterId)
at cundus.enterpriseReporting.Services.ReportService.LoadBriefingBooks(List`1 orderedChapterparts, List`1 orderedChapterContentparts, ConcurrentDictionary`2 chapterBriefingbooks, Dictionary`2 loadedchapterBriefingbooks, String culture, BIPDatasourcesHashTable dsTable, Dictionary`2 chapterLogs, List`1 dataSources, String configValueAspose, Dictionary`2 bbResults, SAMLToken samlToken, String samlUserIdentifier, List`1 globalTagList, Dictionary`2 chapterWTableTagging)
-------- End --------

Disclosure Management 10.1

Sequence contains more than one element , KBA , dm , EPM-DSM-GEN , DM core functionalities , Problem