How To Fix B1890 - You must select a node

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 890

• Message text: You must select a node

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1890 - You must select a node ?

  The SAP error message B1890, which states "You must select a node," typically occurs in the context of using the SAP Business Workflow or when working with certain configuration settings in SAP. This error indicates that the system expects a selection of a node (such as a task, workflow, or object) but none has been selected.
  Cause:
  
  Missing Selection: The most common cause is that the user has not selected a required node in a hierarchical structure, such as a workflow or a tree structure in a configuration screen.
  Incorrect Navigation: The user may have navigated to a screen or function that requires a selection but did not make one.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or select certain nodes, leading to this error.
  
  Solution:
  
  Select a Node: Ensure that you have selected the appropriate node in the hierarchy. This could involve clicking on a task, workflow, or any other relevant object that the system requires.
  Check Navigation: Review your navigation path to ensure you are in the correct area of the application where a selection is required.
  Review Authorizations: If you believe you should be able to select a node but cannot, check your user authorizations. You may need to contact your SAP security administrator to ensure you have the necessary permissions.
  Consult Documentation: If you are unsure about which node to select, refer to the relevant SAP documentation or help resources for guidance on the specific transaction or configuration you are working with.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to workflows, such as SWDD (Workflow Builder) or SWI1 (Work Item Selection).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional insights from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.