How To Fix 0Q139 - Database connection &1 or schema &2 are not functioning

SAP Error Message - Details

• Message type: E = Error

• Message class: 0Q - Microsoft SQL Server Porting

• Message number: 139

• Message text: Database connection &1 or schema &2 are not functioning

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0Q139 - Database connection &1 or schema &2 are not functioning ?

  The SAP error message 0Q139 indicates that there is an issue with the database connection or schema. This error typically arises when the SAP system is unable to connect to the specified database or when the database schema is not functioning correctly. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Database Connectivity Issues: The database server may be down, or there may be network issues preventing the SAP system from connecting to the database.
  Incorrect Configuration: The database connection parameters (like hostname, port, username, password) may be incorrectly configured in the SAP system.
  Schema Issues: The specified schema may not exist, or there may be issues with the schema itself (e.g., corruption, missing objects).
  Database User Permissions: The user configured for the database connection may not have the necessary permissions to access the schema.
  Database Instance Issues: The database instance may not be running or may have encountered an error.
  
  Solutions:
  
  Check Database Status: Ensure that the database server is up and running. You can do this by logging into the database directly or using monitoring tools.
  Verify Connection Parameters: Check the connection parameters in the SAP system (transaction code DBACOCKPIT or RZ10 for profile parameters) to ensure they are correct.
  Test Database Connection: Use the SAP transaction DBACOCKPIT to test the database connection and see if it can connect successfully.
  Check Schema Existence: Verify that the specified schema exists in the database and is accessible.
  Review User Permissions: Ensure that the database user has the necessary permissions to access the schema and perform required operations.
  Check Logs: Review the database logs and SAP application logs (transaction SM21) for any additional error messages that may provide more context.
  Restart Database: If the database is unresponsive, consider restarting the database instance.
  Consult Documentation: Refer to SAP Notes or documentation related to your specific SAP version and database type for any known issues or patches.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Database Documentation: Consult the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for troubleshooting connectivity issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your database administrator or SAP support for further assistance.