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

SAP Error Message - Details

• 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SDP_SB108 - Enter a valid start date for the read period ?

  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., YYYY-MM-DD).
  Verify Date Range: Confirm that the start date is within the valid range for the planning area. You can check the planning horizon settings in the configuration.
  Adjust Planning Area Settings: If necessary, review the configuration of the planning area to ensure it allows for the specified date.
  Use Valid Dates: Make sure to select a date that is a valid working day according to the calendar settings in SAP.
  Consult Documentation: Refer to the SAP documentation or help files for specific details on the date requirements for the transaction you are using.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transactions related to planning, such as /SAPAPO/SDP for demand planning or /SAPAPO/SNP for supply network planning.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to access the planning area and perform the required actions.
  System Configuration: If the issue persists, it may be necessary to involve your SAP Basis or technical team to check for any underlying configuration issues.
  
  If you continue to experience issues after trying these solutions, it may be helpful to reach out to your SAP support team for further assistance.