How To Fix RSHDB_PC112 - Could not trigger merge for &1 - it is an extended table

SAP Error Message - Details

• Message type: E = Error

• Message class: RSHDB_PC - Messages for Process Types in NewDB

• Message number: 112

• Message text: Could not trigger merge for &1 - it is an extended table

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 RSHDB_PC112 - Could not trigger merge for &1 - it is an extended table ?

  The SAP error message RSHDB_PC112 indicates that there is an issue with triggering a merge operation for a specific extended table in the context of SAP HANA or SAP BW (Business Warehouse). This error typically arises when the system attempts to perform a merge operation on a table that is classified as an "extended table," which may not support the merge operation in the way that standard tables do.
  Cause:
  
  Extended Table Type: The table in question is an extended table, which means it has specific characteristics or structures that prevent the merge operation from being executed.
  Data Model Configuration: The data model or the configuration of the extended table may not be set up correctly, leading to issues when trying to perform operations like merging.
  System Limitations: There may be limitations in the SAP system or the version you are using that restrict the ability to perform certain operations on extended tables.
  
  Solution:
  
  Check Table Type: Verify the type of the table you are trying to merge. If it is indeed an extended table, consider whether a merge operation is appropriate for this table type.
  Review Data Model: Examine the data model and configuration of the extended table. Ensure that it is set up correctly and that all necessary parameters are defined.
  Use Alternative Operations: If merging is not supported for extended tables, consider using alternative operations that are compatible with extended tables, such as data loading or transformation processes.
  Consult Documentation: Refer to the SAP documentation or help resources for guidance on handling extended tables and the operations that can be performed on them.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide insights specific to your version and configuration.
  
  Related Information:
  
  Extended Tables: In SAP BW, extended tables are often used to store complex data structures and may have additional features compared to standard tables.
  Merge Operations: Merging typically involves combining data from multiple sources or tables into a single table, which may not be feasible with certain table types.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates regarding extended tables and merge operations.
  
  By following these steps, you should be able to diagnose and address the issue related to the RSHDB_PC112 error message.