How To Fix /SAPAPO/SDP_SB109 - Enter a valid end date for the read period

/SAPAPO/SDP_SB109 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SDP_SB -

• Message number: 109

• Message text: Enter a valid end date for the read period

Self-Explanatory Message

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/SAPAPO/SDP_SB109 - Details

• The SAP error message /SAPAPO/SDP_SB109 indicates that there is an issue with the end date specified for the read period in the Supply Network Planning (SNP) or Demand Planning (DP) module of SAP Advanced Planning and Optimization (APO). This error typically arises when the end date is either invalid, not set, or does not logically follow the start date.
  
  Cause:
  
  Invalid Date Format: The end date may not be in the correct format or may not be recognized by the system.
  Logical Error: The end date is earlier than the start date, which is not permissible.
  Missing Dates: Either the start date or end date is not specified, leading to an incomplete period definition.
  Calendar Issues: The dates may fall outside the defined planning calendar or may not align with the fiscal year settings.
  
  
  Solution:
  
  Check Date Format: Ensure that the end date is entered in the correct format as required by the system.
  Verify Dates: Make sure