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  1. API reference
  • Introduction
  • Connecting to Data Source
    Configuring the component
  • Browser compatibility
  • Documentation for older versions
  • Table of contents

    Troubleshooting the Data Server

    This section provides solutions to the errors you might experience while working with Flexmonster Data Server. If you cannot find your error here or you are facing any issues with Flexmonster Admin Panel, contact our technical support.

    Browser error: 'ERR_HTTP2_INADEQUATE_TRANSPORT_SECURITY'

    The main reason for this error is that HTTP/2 does not support the Data Server's SSL certificate. See this thread to learn more.

    One of the possible solutions to this error is to set the protocol to HTTP/1.1 in flexmonster-config.json:

    "HTTPS": {
        "Enabled": true,
        "Protocols": "Http1",
        "Certificate": {
            // your certificate
        }
    }

    Console error: 'Cannot connect to the database using "Server=xxxx;Port=xxxx;Uid=xxxx;Pwd=xxxx;Database=xxxx". Please check connection string'

    When connecting to a secure PostgreSQL instance with the Data Server, some additional configurations are needed. Learn more details in this support ticket.

    Console error: 'Cannot connect to the database using "Server=(localdb)\\MSSQLLocalDB;Uid=root;Pwd=password;Database=database_name". Please check connection string. Details: Cannot connect to SQL Server Browser. Ensure SQL Server Browser has been started.'

    This error may appear when connecting to an SQL server instance remotely. It means that SQL Server Browser is not started. See how to start SQL Server Browser

    For more information on remote connections to SQL Server, refer to our guide.

    Console error: 'Cannot load data from database executing query <your_query>. Please check query or connection string. Option <option_name> not supported.'

    This error may be caused by one of the following:

    • Incorrect option name. Ensure that you have specified the option’s name correctly.
    • The password in your connection string contains unescaped special characters. See how to set passwords with special characters.
    • Bad formatting in the connection string. Ensure that your connection string is formatted correctly.

    Admin Panel error: 'Failed to connect using connection string <connection_string>, Option <option_name> not supported.'

    This error may be caused by one of the following:

    • Incorrect option name. Ensure that you have specified the option’s name correctly. 
    • The password in your connection string contains unescaped special characters. See how to set passwords with special characters.
    • Bad formatting in the connection string. Ensure that your connection string is formatted correctly.