How To Fix M8190 - Enter a supplier

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 190

• Message text: Enter a supplier

What causes this issue?

Based on your entries in the <ZH>Allocation</> area, the system tries to
determine the supplier. If this is not possible, you must enter a
selection supplier.
This can occur, for example, if you want to post the invoice in the
background and allocate it to a delivery note that has not yet been
entered at goods receipt in the system.

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?

Check the allocation criteria entered and make any necessary
corrections.
If the allocation criteria are correct, enter the supplier number in the
<ZH>Selection supplier</> field.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8190 - Enter a supplier ?

  The SAP error message M8190, which states "Enter a supplier," typically occurs in the context of materials management or procurement processes when a user attempts to create or process a document (such as a purchase order or a goods receipt) without specifying a supplier (vendor) in the relevant field.
  Cause:
  The error is triggered when:
  
  The supplier/vendor field is left blank or not filled in correctly.
  The system requires a valid supplier/vendor to proceed with the transaction.
  There may be a configuration issue or a missing entry in the vendor master data.
  
  Solution:
  To resolve the M8190 error, you can take the following steps:
  
  
  Check the Supplier Field:
  
  Ensure that you have entered a valid supplier/vendor in the appropriate field. This is usually a mandatory field in the transaction you are trying to execute.
  
  
  
  Vendor Master Data:
  
  Verify that the vendor you are trying to use is set up correctly in the system. You can check this by navigating to the vendor master data (transaction code XK03 for display).
  Ensure that the vendor is active and has the necessary purchasing information.
  
  
  
  Transaction Context:
  
  Make sure you are in the correct transaction context where a supplier is required. For example, if you are creating a purchase order, ensure that you are in the purchase order creation screen.
  
  
  
  Field Configuration:
  
  If you are using a custom transaction or a specific configuration, check if the supplier field is correctly configured to be mandatory.
  
  
  
  User Authorization:
  
  Ensure that you have the necessary authorizations to create or modify documents that require supplier information.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or your organization's SAP support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order).
  Vendor Master Data: Understanding how to manage vendor master data is crucial. You can create or modify vendor information using transaction codes like XK01 (Create Vendor) and XK02 (Change Vendor).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  By following these steps, you should be able to resolve the M8190 error and proceed with your SAP transactions successfully.