.net error. BizTalk using a .net dll (proxy)

I'm getting this error sometimes, and can't figure out why. Any ideas?

Format of the initialization string does not conform to specification starting at index 0.System.ArgumentException: Format of the initialization string does not conform to specification starting at index 0.

Server stack trace: at System.Data.Common.DbConnectionOptions.GetKeyValuePair(String connectionString, Int32 currentPosition, StringBuilder buffer, Boolean useOdbcRules, String& keyname, String& keyvalue) at System.Data.Common.DbConnectionOptions.ParseInternal(Hashtable parsetable, String connectionString, Boolean buildChain, Hashtable synonyms, Boolean firstKey) at System.Data.Common.DbConnectionOptions..ctor(String connectionString, Hashtable synonyms, Boolean useOdbcRules) at System.Data.SqlClient.SqlConnectionString..ctor(String connectionString) at System.Data.SqlClient.SqlConnectionFactory.CreateConnectionOptions(String connectionString, DbConnectionOptions previous) at System.Data.ProviderBase.DbConnectionFactory.GetConnectionPoolGroup(String connectionString, DbConnectionPoolGroupOptions poolOptions, DbConnectionOptions& userConnectionOptions) at System.Data.SqlClient.SqlConnection.ConnectionString_Set(String value) at System.Data.SqlClient.SqlConnection.set_ConnectionString(String value) at System.Data.SqlClient.SqlConnection..ctor(String connectionString) at Microsoft.ApplicationBlocks.Data.SqlHelper.FillDataset(String connectionString, CommandType commandType, String commandText, DataSet dataSet, String[] tableNames, SqlParameter[] commandParameters) at Tashtit.DaWrapper.DAL.PerformDataSet.FillDataset(String sConnectionString, CommandType commandType, String sCommandText, DataSet dataSet, String[] sTableNames, SqlParameter[] commandParameters) at Adam.Hachrazot.DAL.DalHachrazot.HaveReshimatHachrazot(SqlParameter[] commandParameters) at Adam.Hachrazot.BL.BoHachrazot.HaveReshimatHachrazot(Int64 lTimeout, Boolean bPersistent, String sQueryID, String sSendingApplicationID, String sReceivingApplicationID, String sXMLMoreParameters, String sXMLQuery, String sQueryType, String sXMLConnectionTypes) at Adam.Hachrazot.BL.IBoHachrazot.HaveReshimatHachrazot(Int64 lTimeout, Boolean bPersistent, String sQueryID, String sSendingApplicationID, String sReceivingApplicationID, String sXMLMoreParameters, String sXMLQuery, String sQueryType, String sXMLConnectionTypes) at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.PrivateProcessMessage(RuntimeMethodHandle md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg, Int32 methodPtr, Boolean fExecuteInContext)

Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at Adam.Hachrazot.BL.IBoHachrazot.HaveReshimatHachrazot(Int64 lTimeout, Boolean bPersistent, String sQueryID, String sSendingApplicationID, String sReceivingApplicationID, String sXMLMoreParameters, String sXMLQuery, String sQueryType, String sXMLConnectionTypes) at Adam.Adam.Bl.BoAdam.HaveMedaAdamService(String asXmlQuery, String asXmlNoshaf) Details:

System.Exception: Format of the initialization string does not conform to specification starting at index 0.System.ArgumentException: Format of the initialization string does not conform to specification starting at index 0.

Server stack trace: at System.Data.Common.DbConnectionOptions.GetKeyValuePair(String connectionString, Int32 currentPosition, StringBuilder buffer, Boolean useOdbcRules, String& keyname, String& keyvalue) at System.Data.Common.DbConnectionOptions.ParseInternal(Hashtable parsetable, String connectionString, Boolean buildChain, Hashtable synonyms, Boolean firstKey) at System.Data.Common.DbConnectionOptions..ctor(String connectionString, Hashtable synonyms, Boolean useOdbcRules) at System.Data.SqlClient.SqlConnectionString..ctor(String connectionString) at System.Data.SqlClient.SqlConnectionFactory.CreateConnectionOptions(String connectionString, DbConnectionOptions previous) at System.Data.ProviderBase.DbConnectionFactory.GetConnectionPoolGroup(String connectionString, DbConnectionPoolGroupOptions poolOptions, DbConnectionOptions& userConnectionOptions) at System.Data.SqlClient.SqlConnection.ConnectionString_Set(String value) at System.Data.SqlClient.SqlConnection.set_ConnectionString(String value) at System.Data.SqlClient.SqlConnection..ctor(String connectionString) at Microsoft.ApplicationBlocks.Data.SqlHelper.FillDataset(String connectionString, CommandType commandType, String commandText, DataSet dataSet, String[] tableNames, SqlParameter[] commandParameters) at Tashtit.DaWrapper.DAL.PerformDataSet.FillDataset(String sConnectionString, CommandType commandType, String sCommandText, DataSet dataSet, String[] sTableNames, SqlParameter[] commandParameters) at Adam.Hachrazot.DAL.DalHachrazot.HaveReshimatHachrazot(SqlParameter[] commandParameters) at Adam.Hachrazot.BL.BoHachrazot.HaveReshimatHachrazot(Int64 lTimeout, Boolean bPersistent, String sQueryID, String sSendingApplicationID, String sReceivingApplicationID, String sXMLMoreParameters, String sXMLQuery, String sQueryType, String sXMLConnectionTypes) at Adam.Hachrazot.BL.IBoHachrazot.HaveReshimatHachrazot(Int64 lTimeout, Boolean bPersistent, String sQueryID, String sSendingApplicationID, String sReceivingApplicationID, String sXMLMoreParameters, String sXMLQuery, String sQueryType, String sXMLConnectionTypes) at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.PrivateProcessMessage(RuntimeMethodHandle md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtim开发者_StackOverflow社区e.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg, Int32 methodPtr, Boolean fExecuteInContext)

Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at Adam.Hachrazot.BL.IBoHachrazot.HaveReshimatHachrazot(Int64 lTimeout, Boolean bPersistent, String sQueryID, String sSendingApplicationID, String sReceivingApplicationID, String sXMLMoreParameters, String sXMLQuery, String sQueryType, String sXMLConnectionTypes) at Adam.Adam.Bl.BoAdam.HaveMedaAdamService(String asXmlQuery, String asXmlNoshaf)

at Police.Biztalk.MainMqRouter.Ppc.MessagesServices.Msg24Service.CallHaveMedaAdamService2(String asSendingApplicationID, String asReceivingApplicationID, String tz, Int32 Sugtz, String UserName, String UserMZ, String MisparKli, Int32 KodStatusHachraza, Nullable`1 KodSugTmuna, String MIShoterMezin, String& tzFinal, Int32& tzSugFinal, Boolean enableMapal) at Police.Biztalk.MainMqRouter.Ppc.MessagesServices.Msg24Service.GetMsg24Data(String tz) at Police.Biztalk.MainMqRouter.Ppc.MessagesServices.Msg24Service.Action_Read(XmlTextReader reader, Element el) at Police.Biztalk.MainMqRouter.Ppc.Content.ContentHandlerBase.Exec()