How To Fix /ISDFPS/OM556 - Internal error in tree model

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/OM -

• Message number: 556

• Message text: Internal error in tree model

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/OM556 - Internal error in tree model ?

  The SAP error message /ISDFPS/OM556 Internal error in tree model typically indicates an issue with the internal data structure used for managing tree models in the SAP system, particularly in the context of the SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) modules. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the underlying database.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data that the tree model is trying to process, such as missing or incorrect entries.
  Configuration Issues: Incorrect configuration settings in the tree model or related master data can lead to this error.
  Database Issues: Problems with the database, such as corruption or locking issues, can also trigger this error.
  Software Bugs: There may be bugs in the specific version of the SAP software you are using.
  
  Solutions:
  
  
  Check Data Consistency:
  
  Review the data being processed by the tree model for any inconsistencies or missing entries.
  Use transaction codes like SE11 or SE16 to inspect the relevant database tables.
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings for the tree model are correct. This includes checking the hierarchy settings and any related master data.
  If applicable, consult the configuration documentation for the specific module you are using.
  
  
  
  Database Maintenance:
  
  Perform database checks to ensure there are no issues with the underlying database.
  If you suspect database corruption, consider running database repair tools or contacting your database administrator.
  
  
  
  SAP Notes and Support:
  
  Check the SAP Support Portal for any relevant SAP Notes that address this specific error. There may be patches or updates available that resolve the issue.
  If the problem persists, consider opening a support ticket with SAP for further assistance.
  
  
  
  System Logs:
  
  Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Testing in a Development Environment:
  
  If possible, replicate the issue in a development or test environment to better understand the cause without affecting production data.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module you are using (IBP, APO, etc.) for more detailed information on tree models and their configuration.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution. If the issue remains unresolved, seeking assistance from SAP support is recommended.