How To Fix /SCDL/TS028 - Error accessing predecessor documents

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCDL/TS -

• Message number: 028

• Message text: Error accessing predecessor documents

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 /SCDL/TS028 - Error accessing predecessor documents ?

  The SAP error message /SCDL/TS028 Error accessing predecessor documents typically occurs in the context of SAP Supply Chain Management (SCM) or Advanced Planning and Optimization (APO) when there is an issue accessing predecessor documents related to a specific planning or scheduling task. This error can arise due to various reasons, including data inconsistencies, missing documents, or configuration issues.
  Causes:
  
  Missing Predecessor Documents: The predecessor documents that are required for the current operation may not exist or may have been deleted.
  Data Inconsistencies: There may be inconsistencies in the data that prevent the system from accessing the predecessor documents.
  Authorization Issues: The user may not have the necessary authorizations to access the predecessor documents.
  Configuration Issues: Incorrect configuration in the planning or scheduling settings can lead to this error.
  System Performance Issues: If the system is under heavy load, it may not be able to access the required documents in a timely manner.
  
  Solutions:
  
  Check for Missing Documents: Verify that the predecessor documents exist in the system. If they are missing, you may need to recreate them or restore them from a backup.
  Data Consistency Check: Run consistency checks on the relevant data to identify and resolve any inconsistencies. This may involve checking the master data, transaction data, and any related configurations.
  Review Authorizations: Ensure that the user encountering the error has the necessary authorizations to access the predecessor documents. This may involve checking user roles and permissions.
  Configuration Review: Review the configuration settings related to the planning or scheduling process to ensure they are set up correctly. This may involve checking the settings in the relevant SAP modules.
  System Performance Monitoring: Monitor the system performance to identify any bottlenecks or issues that may be affecting document access. If necessary, consider optimizing system performance or increasing resources.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. SAP Notes often provide patches, workarounds, or additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in diagnosing the issue, such as:
  
  SCDL for Supply Chain Data Lifecycle Management
  SCC1 for client copy (if applicable)
  SE11 for data dictionary to check table structures
  
  
  Logs and Traces: Review system logs and traces for additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team, or reach out to SAP support for further assistance.