How To Fix MDC_MODEL010 - Data-handover while reading from current step for table &1 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_MODEL - Messages In Context Of MDC Model

• Message number: 010

• Message text: Data-handover while reading from current step for table &1 is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_MODEL010 - Data-handover while reading from current step for table &1 is not allowed ?

  The SAP error message MDC_MODEL010, which states "Data-handover while reading from current step for table &1 is not allowed," typically occurs in the context of SAP's Model Driven Architecture (MDA) or when working with the SAP HANA database. This error is related to the data processing steps in a data model or data flow, particularly when there is an attempt to read data from a table that is not in a valid state for data handover.
  Cause:
  
  Invalid Data State: The error often arises when the system attempts to read data from a table that is currently being modified or is in a state that does not allow for data handover.
  Concurrency Issues: If multiple processes are trying to access or modify the same data simultaneously, it can lead to conflicts and this error.
  Incorrect Configuration: There may be issues with the configuration of the data model or the data flow that prevent proper data handover.
  Data Locking: The table might be locked by another transaction, preventing the current step from reading the data.
  
  Solution:
  
  Check Data State: Ensure that the data in the table is in a valid state for reading. This may involve checking for any ongoing transactions that might be locking the data.
  Review Configuration: Verify the configuration of the data model or data flow to ensure that it is set up correctly and that there are no misconfigurations that could lead to this error.
  Avoid Concurrent Access: If possible, avoid concurrent access to the same data by different processes. This may involve implementing proper transaction management or locking mechanisms.
  Retry Logic: Implement retry logic in your application to handle transient issues where the data might be temporarily unavailable.
  Consult Logs: Check the application and system logs for more detailed error messages or warnings that could provide additional context about the issue.
  
  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 for common problems.
  Documentation: Review the official SAP documentation for the specific module or functionality you are working with to understand the expected behavior and configuration settings.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.