How To Fix MD456 - The user settings for traffic lights have been deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 456

• Message text: The user settings for traffic lights have been deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MD456 - The user settings for traffic lights have been deleted ?

  The SAP error message MD456, which states "The user settings for traffic lights have been deleted," typically occurs in the context of the SAP system's planning and reporting functionalities, particularly in the areas of Material Requirements Planning (MRP) or similar modules where traffic light indicators are used to visualize data.
  Cause:
  The error message MD456 indicates that the user-specific settings for the traffic light indicators have been removed or are not available. This can happen due to several reasons:
  
  User Profile Changes: Changes in user profiles or roles may lead to the loss of personalized settings.
  System Upgrades or Changes: Upgrading the SAP system or applying patches may reset user-specific settings.
  Data Corruption: Corruption in the user settings table or related configuration can lead to the deletion of these settings.
  Manual Deletion: Users or administrators may have manually deleted the settings.
  
  Solution:
  To resolve the MD456 error, you can try the following steps:
  
  
  Recreate User Settings:
  
  Navigate to the relevant transaction where the traffic lights are used (e.g., MD04 for MRP).
  Reconfigure the traffic light settings according to your preferences. This usually involves setting thresholds for alerts and indicators.
  
  
  
  Check User Profile:
  
  Ensure that your user profile has the necessary authorizations to access and modify traffic light settings.
  If your profile has changed, you may need to contact your SAP administrator to restore the necessary authorizations.
  
  
  
  System Configuration:
  
  If the issue persists, check with your SAP Basis team to see if there have been any recent changes or upgrades that might have affected user settings.
  They may need to investigate the system logs or user settings tables for any anomalies.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that can resolve the issue.
  
  
  
  User Training:
  
  If users are not familiar with how to set up their traffic light settings, consider providing training or documentation to help them recreate their settings.
  
  
  
  Related Information:
  
  Traffic Light Indicators: These are visual aids used in SAP to indicate the status of various metrics (e.g., stock levels, order statuses) using colors (red, yellow, green).
  User Settings: User-specific settings in SAP can often be customized to enhance user experience and improve efficiency in data analysis and reporting.
  SAP Community: Engaging with the SAP Community forums can provide additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem continues after trying these solutions, it may be beneficial to escalate the issue to your SAP support team for further investigation.