How To Fix C+377 - Enter either only WBS element or only vendor number

SAP Error Message - Details

• Message type: E = Error

• Message class: C+ -

• Message number: 377

• Message text: Enter either only WBS element or only vendor 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C+377 - Enter either only WBS element or only vendor number ?

  The SAP error message C+377 indicates that there is a conflict in the input data where both a Work Breakdown Structure (WBS) element and a vendor number have been entered simultaneously in a transaction that only allows one of these fields to be filled. This error typically occurs in the context of project management or procurement processes within SAP.
  
  Cause:
  The error arises when a user attempts to enter both a WBS element and a vendor number in a transaction that is designed to accept only one of these inputs. This can happen in various scenarios, such as:
  
  When creating or processing purchase orders, invoices, or project-related transactions.
  When the system expects either a WBS element (for project-related costs) or a vendor number (for procurement-related transactions), but not both.
  
  
  Solution:
  To resolve the C+377 error, you should:
  
  
  Review Input Fields: Check the transaction screen where the error occurred. Ensure that you are only entering either a WBS