How To Fix SAPLWSPO120 - Select a document type

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPLWSPO - SAP Retail Store: Purchase Order

• Message number: 120

• Message text: Select a document type

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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Smart SAP Assistant

• What is the cause and solution for SAP error message SAPLWSPO120 - Select a document type ?

  The SAP error message "SAPLWSPO120 Select a document type" typically occurs in the context of the SAP system when a user is trying to create or process a document (such as a purchase order, sales order, etc.) but has not selected a valid document type. This error can arise in various modules, including Logistics, Sales and Distribution (SD), or Materials Management (MM).
  Cause:
  
  Missing Document Type: The user has not selected a document type in the relevant transaction.
  Configuration Issues: The document types may not be properly configured in the system.
  Authorization Issues: The user may not have the necessary authorizations to access certain document types.
  User Input Error: The user may have overlooked the document type selection field or made an incorrect selection.
  
  Solution:
  
  Select a Document Type: Ensure that you select a valid document type from the dropdown menu or input field before proceeding with the transaction.
  Check Configuration: If you are an administrator or have access to configuration settings, verify that the document types are correctly defined in the system. This can be done through transaction codes like:
  
  OMH0 for Purchase Orders
  VOTXN for Sales Orders
  
  
  User Authorizations: Check if the user has the necessary authorizations to access the document types. This can be done by reviewing the user's roles and authorizations in transaction SU01.
  Input Validation: Ensure that all required fields are filled out correctly and that there are no validation errors in the form.
  Consult Documentation: Refer to SAP documentation or help files for specific guidance related to the transaction you are working on.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes for the document types you are working with (e.g., ME21N for Purchase Orders, VA01 for Sales Orders).
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. You can search for relevant notes in the SAP Support Portal.
  User Training: If this error is common among users, consider providing training or documentation to help them understand how to select document types correctly.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.