How To Fix >0426 - Enter a valid lock category

SAP Error Message - Details

• Message type: E = Error

• Message class: >0 - General Basis texts

• Message number: 426

• Message text: Enter a valid lock category

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message >0426 - Enter a valid lock category ?

  The SAP error message 0426: "Enter a valid lock category" typically occurs when a user attempts to perform an action that requires specifying a lock category, but the input provided is either invalid or missing. This error is often encountered in the context of transaction codes that involve locking mechanisms, such as those related to data entry or configuration changes.
  Cause:
  
  Invalid Input: The user may have entered an incorrect or unsupported lock category.
  Missing Input: The lock category field may be left blank when it is required.
  Configuration Issues: There may be issues with the configuration of the lock categories in the system.
  Authorization Issues: The user may not have the necessary authorizations to access certain lock categories.
  
  Solution:
  
  Check Input: Ensure that the lock category entered is valid. Refer to the documentation or help text associated with the transaction to find the acceptable values for lock categories.
  Provide Required Input: If the lock category field is mandatory, make sure to fill it in with a valid entry.
  Consult Configuration: If you have access, check the configuration settings for lock categories in the system. This may require assistance from a system administrator or SAP Basis consultant.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the required lock categories. This may involve checking user roles and permissions.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional context.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes that involve locking mechanisms, such as those related to material management, production planning, or configuration.
  SAP Documentation: Refer to the official SAP documentation for detailed information on lock categories and their usage.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups for insights from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact your SAP support team for further assistance.