How To Fix WB2B790 - Please enter Material Number

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 790

• Message text: Please enter Material Number

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 WB2B790 - Please enter Material Number ?

  The SAP error message WB2B790, which states "Please enter Material Number," typically occurs in the context of transactions related to materials management, such as when creating or processing purchase orders, sales orders, or inventory management tasks. This error indicates that the system requires a material number to proceed, but it has not been provided.
  Cause:
  
  Missing Input: The most common cause is that the user has not entered a material number in the relevant field.
  Field Configuration: The field for the material number may be set as mandatory in the configuration, and the user has not filled it in.
  User Error: The user may have overlooked the material number field or entered it incorrectly.
  System Configuration: There may be issues with the configuration of the transaction or the material master data.
  
  Solution:
  
  Enter Material Number: Ensure that you enter a valid material number in the designated field. If you do not know the material number, you can search for it using the material search functionality in SAP.
  Check Field Requirements: Verify if the material number field is set as mandatory in the transaction you are using. If it is, you must provide a value to proceed.
  Validate Material Master Data: Ensure that the material number you are trying to enter exists in the system and is active. You can check this in the material master data (transaction code MM03).
  Review Transaction Configuration: If you have the necessary permissions, check the configuration of the transaction to ensure that it is set up correctly to require a material number.
  Consult Documentation: If you are unsure about the material number or how to find it, refer to your organization's documentation or training materials related to SAP transactions.
  
  Related Information:
  
  Transaction Codes: Common transaction codes where this error might occur include ME21N (Create Purchase Order), ME51N (Create Purchase Requisition), and VA01 (Create Sales Order).
  Material Master: The material master is a central repository of information about materials in SAP. You can view or edit material details using transaction code MM01 (Create), MM02 (Change), or MM03 (Display).
  User Training: If this error occurs frequently, consider providing additional training for users on how to properly enter material numbers and navigate the relevant transactions.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or system administrator for further assistance.