How To Fix ME359 - Only one & can be entered

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 359

• Message text: Only one & can be entered

What causes this issue?

Each partner role may only occur once in purchase orders, RFQs, and
scheduling agreements. In other words, you cannot enter several
ordering addresses or several invoicing parties.
In contracts, you can maintain several partners with the same role. You
must then choose a unique partner when subsequently creating a release
order.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ME359 - Only one & can be entered ?

  The SAP error message ME359 ("Only one & can be entered") typically occurs in the context of purchasing documents, such as purchase orders or purchase requisitions. This error indicates that the system is enforcing a restriction where only one entry of a certain type is allowed in a specific field or context.
  Cause:
  The error can arise due to several reasons, including:
  
  
  Field Restrictions: The field in question may be designed to accept only a single entry. For example, if you are trying to enter multiple vendors or multiple items in a field that only allows one, this error will be triggered.
  
  
  Configuration Settings: The configuration settings in the SAP system may have been set to restrict the number of entries for certain fields. This is often done to maintain data integrity or to comply with business rules.
  
  
  Data Entry Errors: Users may inadvertently attempt to enter multiple values in a field that is not designed to accept them.
  
  
  Solution:
  To resolve the ME359 error, consider the following steps:
  
  
  Review the Field: Check the specific field that is causing the error. Ensure that you are only entering one value as required by the system.
  
  
  Check Configuration: If you have access to configuration settings, review the settings for the relevant purchasing document type. You may need to consult with your SAP administrator or functional consultant to understand the restrictions in place.
  
  
  Data Entry Guidelines: Ensure that users are aware of the data entry guidelines for the specific transaction. Provide training or documentation if necessary to prevent future occurrences.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates regarding this error message. There may be specific patches or updates that address this issue.
  
  
  Debugging: If you have the technical expertise, you can debug the transaction to identify the exact point where the error is triggered. This may provide insights into why the restriction is in place.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to purchasing documents, such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order).
  SAP Documentation: Refer to SAP Help documentation for detailed information on purchasing processes and error messages.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after following these steps, it may be beneficial to escalate the matter to your SAP support team for further investigation.