Host can’t be null , Normal execution is impossible.

[zzz]

Trying to switch to postgres backend and …

023-08-04 13:56:11 [workstation][appstack][ACT] Server 6.1.1.0 started
2023-08-04 13:56:13 [workstation][appstack][ACT] Storage PostgreSqlStorage 6.1.0.0 loaded from file /app/appstack/rapidscada6/Linux/scada/ScadaServer/PostgreSqlStorage.dll
2023-08-04 13:56:15 [workstation][appstack][ERR] Error initializing application storage:
System.ArgumentException: Host can't be null
   at Npgsql.NpgsqlConnectionStringBuilder.Validate()
   at Npgsql.NpgsqlConnection.GetPoolAndSettings()
   at Npgsql.NpgsqlConnection.set_ConnectionString(String value)
   at Npgsql.NpgsqlConnection..ctor(String connectionString)
   at Scada.Storages.PostgreSqlStorage.PostgreSqlStorageShared.CreateDbConnection(DbConnectionOptions options)
   at Scada.Storages.PostgreSqlStorage.PostgreSqlStorageLogic.MakeReady()
   at Scada.Storages.StorageWrapper.InitStorage()
2023-08-04 13:56:15 [workstation][appstack][ERR] Normal execution is impossible

<?xml version="1.0" encoding="utf-8" ?>
<ScadaInstanceConfig>
  <Culture>en-GB</Culture>
  <LogDir></LogDir>
  <ActiveStorage>PostgreSqlStorage</ActiveStorage>
  <Storages>
    <Storage code="FileStorage">
      <ViewAvailable>false</ViewAvailable>
    </Storage>
    <Storage code="PostgreSqlStorage">
      <ViewAvailable>true</ViewAvailable>
      <WaitTimeout>30</WaitTimeout>
      <Connection>
        <Name>PostgreConn</Name>
        <Server>localhost</Server>
        <Database>rapid_scada</Database>
        <Username>~~uid~~~</Username>
        <Password>~~~~~~~~~~pwd~~~~~~~~~</Password>
        <ConnectionString />
      </Connection>
    </Storage>
  </Storages>
</ScadaInstanceConfig>

[Mikhail]

You should update ScadaInstanceConfig.xml
It was changed in the recent versions.

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