How To Fix D-990 - Selected session type does not have a period

SAP Error Message - Details

• Message type: E = Error

• Message class: D- -

• Message number: 990

• Message text: Selected session type does not have a 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 D-990 - Selected session type does not have a period ?

  The SAP error message D-990, which states "Selected session type does not have a period," typically occurs in the context of data processing or reporting within SAP systems, particularly when dealing with session types that require a specific time period for processing.
  Cause:
  
  Session Type Configuration: The session type you are trying to use may not be configured to include a specific period. This can happen if the session type is set up incorrectly or if it is not intended for the type of data you are trying to process.
  Missing Period Definition: The period for the selected session type may not be defined in the system. This could be due to a configuration oversight or a missing entry in the relevant tables.
  Data Entry Error: There may be an error in the data entry where the period is not specified or is incorrectly specified.
  
  Solution:
  
  Check Session Type Configuration: Review the configuration of the session type in the SAP system. Ensure that it is set up correctly and that it is intended to handle the type of data you are processing.
  Define the Period: If the session type requires a period, make sure that the period is defined in the system. This may involve updating configuration settings or entering the necessary data in the relevant tables.
  Review Data Entry: Double-check the data you are entering to ensure that all required fields, including the period, are filled out correctly.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific session type you are using. This can provide insights into the expected configuration and usage.
  Contact SAP Support: If the issue persists after checking the configuration and data entry, consider reaching out to SAP support for further assistance. They can provide more detailed troubleshooting based on your specific system setup.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes related to the session type. Familiarize yourself with the relevant transaction codes and their functionalities.
  SAP Notes: Check for any SAP Notes related to the error message D-990. SAP frequently releases notes that address known issues and provide solutions or workarounds.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  
  By following these steps, you should be able to identify the cause of the D-990 error and implement a solution to resolve it.