How To Fix KM837 - Lock indicator can only be set with ' ' or 'X'

KM837 - Overview

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 837

• Message text: Lock indicator can only be set with ' ' or 'X'

Self-Explanatory Message

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KM837 - Details

• The SAP error message KM837, which states "Lock indicator can only be set with ' ' or 'X'," typically occurs in the context of SAP Controlling (CO) when you are trying to set a lock indicator for a cost object or a controlling document. This error indicates that the value you are trying to assign to the lock indicator is invalid.
  
  Cause:
  The lock indicator in SAP is used to control whether a cost object (like a cost center, internal order, etc.) can be posted to or not. The valid values for the lock indicator are:
  
  A blank space (' '): This means that the object is not locked and can be posted to.
  'X': This indicates that the object is locked and cannot be posted to.
  
  If you attempt to set the lock indicator to any other value (e.g., 'Y', '1', etc.), you will encounter the KM837 error.
  
  Solution:
  To resolve this error, you should ensure