How To Fix /ISDFPS/SYNC204 - Inconsistency: Table /ISDFPS/ALE_SYS (logical system: &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SYNC -

• Message number: 204

• Message text: Inconsistency: Table /ISDFPS/ALE_SYS (logical system: &1)

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 /ISDFPS/SYNC204 - Inconsistency: Table /ISDFPS/ALE_SYS (logical system: &1) ?

  The SAP error message /ISDFPS/SYNC204 Inconsistency: Table /ISDFPS/ALE_SYS (logical system: &1) typically indicates that there is an inconsistency in the table /ISDFPS/ALE_SYS related to the logical system specified by &1. This error is often encountered in the context of SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) systems, where data synchronization between systems is crucial.
  Cause:
  
  Missing or Inconsistent Entries: The logical system specified may not have the necessary entries in the /ISDFPS/ALE_SYS table, or there may be inconsistencies in the data.
  Configuration Issues: There may be issues with the configuration of the logical system in the SAP system landscape.
  Transport Issues: If changes were transported between systems, there may have been issues during the transport that led to inconsistencies.
  Data Replication Issues: Problems during data replication processes can lead to inconsistencies in the tables.
  
  Solution:
  
  Check Table Entries: Use transaction code SE11 or SE16 to check the contents of the /ISDFPS/ALE_SYS table. Ensure that the logical system specified in the error message has the correct entries.
  Correct Inconsistencies: If you find missing or incorrect entries, you may need to manually add or correct them. Ensure that the logical system is properly defined and configured.
  Review Configuration: Check the configuration settings for the logical system in transaction code SPRO. Ensure that all necessary settings are in place.
  Transport Management: If the issue arose after a transport, check the transport logs for any errors and ensure that all necessary objects were transported correctly.
  Data Replication: If applicable, check the data replication settings and processes to ensure that data is being replicated correctly between systems.
  Consult Documentation: Refer to SAP notes or documentation related to the specific version of your SAP system for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), and SPRO (Customizing) for checking and modifying configurations.
  System Logs: Check system logs (transaction SM21) for any related errors that may provide more context about the issue.
  SAP Community: Consider reaching out to the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to engage SAP support for further assistance.