How To Fix /SAPAPO/SDP603 - Selection could not be applied

/SAPAPO/SDP603 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SDP -

• Message number: 603

• Message text: Selection could not be applied

Self-Explanatory Message

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/SAPAPO/SDP603 - Details

• The SAP error message /SAPAPO/SDP603 Selection could not be applied typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when working with the Supply Network Planning (SNP) or Demand Planning (DP) modules. This error indicates that the selection criteria you have defined cannot be applied to the data set you are working with.
  Causes:
  
  Invalid Selection Criteria: The selection criteria you have set may not match any existing data in the system. This could be due to incorrect values, missing data, or filters that are too restrictive.
  Data Locking: The data you are trying to access may be locked by another user or process, preventing your selection from being applied.
  Authorization Issues: You may not have the necessary authorizations to access the data or execute the selection.
  Technical Issues: There could be underlying technical issues, such as problems with the database or inconsistencies in the data model.
  
  Solutions:
  
  Review Selection Criteria: Double-check the