How To Fix /SAPAPO/SDP_SB108 - Enter a valid start date for the read period

/SAPAPO/SDP_SB108 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SDP_SB -

• Message number: 108

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

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.

Unfortunately, there isn't any extra information in this error notice.

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/SAPAPO/SDP_SB108 - Details

• The SAP error message /SAPAPO/SDP_SB108 Enter a valid start date for the read period 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 start date you have entered for the read period is either invalid or not within the acceptable range defined in the system.
  Causes:
  
  Invalid Date Format: The date entered may not be in the correct format expected by the system.
  Out of Range Dates: The date may fall outside the planning horizon or the defined periods in the system.
  Missing Configuration: The planning area or the data model may not be properly configured to accept the specified date.
  Calendar Issues: The date may not correspond to a valid working day in the calendar defined in the system.
  
  Solutions:
  
  Check Date Format: Ensure that the date is entered in the correct format (e.g.,