How To Fix C1506 - The characteristic has not been changed

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 506

• Message text: The characteristic has not been changed

What causes this issue?

The old and new data of the characteristic are identical. The
characteristic has not been changed.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1506 - The characteristic has not been changed ?

  The SAP error message C1506, "The characteristic has not been changed," typically occurs in the context of SAP's classification system, particularly when working with characteristics in the classification of materials or objects. This error indicates that an attempt was made to change a characteristic value, but the system has determined that the value has not actually changed.
  Causes:
  
  No Change Detected: The most common cause is that the value you are trying to set for the characteristic is the same as the existing value. SAP does not allow saving the same value again, as it does not constitute a change.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to change certain characteristics, leading to this error.
  Data Locking: If the characteristic is being used in another transaction or is locked by another user, it may prevent changes from being made.
  Incorrect Configuration: There may be issues with the configuration of the characteristics or classes that prevent changes from being recognized.
  
  Solutions:
  
  Verify Changes: Check the current value of the characteristic and ensure that you are trying to change it to a different value. If it is the same, modify it to a new value.
  Check Authorizations: Ensure that you have the necessary permissions to make changes to the characteristic. If not, contact your system administrator to obtain the required authorizations.
  Release Locks: If the characteristic is locked, wait for the other transaction to complete or ask the user to release the lock.
  Review Configuration: If you suspect a configuration issue, review the settings for the characteristic and class in the SAP system. Ensure that they are set up correctly and that there are no inconsistencies.
  Use Transaction Codes: Use transaction codes like CL02 (Change Class) or CL03 (Display Class) to navigate and check the characteristics and their values.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Refer to SAP documentation on classification and characteristics for a deeper understanding of how they work and how to manage them effectively.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.