This exception just showed up in my logs this week seemingly related to BingBot crawling the site and having issues with Activity Stories
System.Data.SqlClient.SqlException (0x80131904): The number of rows provided for a FETCH clause must be greater then zero. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) at System.Data.SqlClient.SqlDataReader.TryConsumeMetaData() at System.Data.SqlClient.SqlDataReader.get_MetaData() at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) at Telligent.Evolution.Data.ProfiledSqlCommand.ExecuteDbDataReader(CommandBehavior behavior) at Telligent.Evolution.Data.ActivityStorySqlDataProvider.GetStories(ActivityStoryGetQuery query, Guid serviceTypeId) at Telligent.Evolution.CoreServices.ActivityStories.Implementations.ActivityStoryDataService.Get(ActivityStoryGetQuery query, Guid serviceTypeId) at Telligent.Evolution.CoreServices.ActivityStories.Implementations.ActivityStoryService.Get(ActivityStoryGetQuery query) at Telligent.Evolution.Api.Services.ActivityStoryService.ListCoreStories(ActivityStoryListOptions options, ActivityStoryGetQuery query) at Telligent.Evolution.Api.Services.ActivityStoryService.List(ActivityStoryListOptions options) at Telligent.Evolution.Api.Services.ActivityStories.List(ActivityStoryListOptions options) ClientConnectionId:[GUID REDACTED] Error Number:10744,State:1,Class:15
I'm thinking that it might be best to add something to robots.txt to block the crawl of activity stories, but open to thoughts/suggestions