How To Fix OB112 - Required entry (customer number or customer tax group) not made

OB112 - Overview

• Message type: E = Error

• Message class: OB - IS-OIL Downstream TDP messages

• Message number: 112

• Message text: Required entry (customer number or customer tax group) not made

What causes this issue?

You have not entered the customer number or the customer group for
which the license is valid.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Specify the customer or customer tax group for which the license
applies.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

OB112 - Details

• The SAP error message OB112 indicates that a required entry for either the customer number or the customer tax group has not been made in a transaction. This error typically occurs when you are trying to post a document or perform an action that requires customer-related information, but that information is missing.
  
  Cause:
  
  Missing Customer Number: The transaction requires a specific customer number to be entered, but it has not been provided.
  Missing Customer Tax Group: The customer tax group, which is necessary for tax calculations, has not been specified.
  
  Configuration Issues: There may be issues with the configuration of customer master data or tax settings in the system.
  Data Entry Errors: The user may have overlooked entering the required fields during data entry.
  
  
  Solution:
  
  
  Check Customer Master Data:
  
  Ensure that the customer number is correctly entered in the relevant field.
  Verify that the customer master data is complete and correctly configured, including the tax group.
  
  
  
  Enter Required Information:
  
  If you