How To Fix /SCMB/TMMD209 - Table &1: &2 entries for selection (&3 unique keys)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/TMMD -

• Message number: 209

• Message text: Table &1: &2 entries for selection (&3 unique keys)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/TMMD209 - Table &1: &2 entries for selection (&3 unique keys) ?

  The SAP error message /SCMB/TMMD209 typically indicates an issue related to the selection of entries in a specific table within the SAP Supply Chain Management (SCM) module, particularly in the Transportation Management (TM) area. The message suggests that there are too many entries being returned for a given selection, which can lead to performance issues or exceed system limits.
  Cause:
  
  Excessive Data Volume: The selection criteria used in the transaction or report may be too broad, resulting in a large number of entries being retrieved from the database.
  Inefficient Query: The query may not be optimized, leading to a situation where it attempts to fetch more data than is manageable.
  System Limitations: There may be predefined limits in the system regarding the number of entries that can be processed or displayed at once.
  
  Solution:
  
  Refine Selection Criteria: Narrow down the selection criteria to reduce the number of entries returned. This can be done by adding more filters or parameters to the selection.
  Use Pagination: If applicable, implement pagination in the report or transaction to handle large datasets in smaller, more manageable chunks.
  Optimize Queries: Review and optimize the underlying queries or data retrieval methods to ensure they are efficient and only pull necessary data.
  Check System Settings: Consult with your SAP Basis or technical team to check if there are any system settings or parameters that can be adjusted to allow for larger data sets, if necessary.
  Review Data Model: If the issue persists, consider reviewing the data model and relationships to ensure that they are set up correctly and efficiently.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes related to Transportation Management, such as /SCMB/TM or others.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling large data sets in SCM.
  Performance Monitoring: Utilize SAP performance monitoring tools to analyze the performance of the queries and identify bottlenecks.
  Documentation: Refer to SAP documentation for best practices in managing data selections and performance tuning in SCM.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.