How To Fix SMMSS_DBACCESS020 - Lock type is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: SMMSS_DBACCESS - Messages for dev. class SMSS_DBACCESS

• Message number: 020

• Message text: Lock type is invalid

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMMSS_DBACCESS020 - Lock type is invalid ?

  The SAP error message SMMSS_DBACCESS020 with the description "Lock type is invalid" typically occurs in the context of database access and locking mechanisms within SAP systems. This error can arise due to various reasons, and understanding the cause and potential solutions is essential for troubleshooting.
  Causes:
  
  Invalid Lock Type: The error indicates that an invalid lock type has been specified in a database operation. This could be due to a typo or incorrect configuration in the code or settings.
  Database Configuration Issues: There may be issues with the database configuration that prevent the system from recognizing the specified lock type.
  Custom Code or Enhancements: If there are custom developments or enhancements in the system, they might be using an unsupported or incorrect lock type.
  Version Compatibility: The error might occur if there is a mismatch between the SAP application version and the database version, leading to unsupported lock types.
  
  Solutions:
  
  Check Lock Type: Review the code or configuration where the lock type is specified. Ensure that the lock type being used is valid and supported by the SAP system.
  Review Custom Code: If there are any custom developments, check the relevant code for any incorrect lock type usage. Modify the code to use a valid lock type.
  Database Configuration: Verify the database configuration settings in the SAP system. Ensure that the database is correctly set up and that all necessary parameters are configured.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve the issue.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the valid lock types and their usage.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs and the context in which the error occurs.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to identify the cause of the SMMSS_DBACCESS020 error and implement a suitable solution.