How To Fix WE302 - Not possible to select the "Alphanumeric EANs" field here

SAP Error Message - Details

• Message type: E = Error

• Message class: WE - Messages for EAN Customizing and for EAN management in MM_BD

• Message number: 302

• Message text: Not possible to select the "Alphanumeric EANs" field here

What causes this issue?

You have specified a check algorithm, but you have selected the field
for alphanumeric EANs. If a check digit algorithm is predefined, the
EAN category may contain numeric EANs only. You are not, therefore,
allowed to select the field for alphanumeric EANs.

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 WE302 - Not possible to select the "Alphanumeric EANs" field here ?

  Certainly! Here's a detailed explanation regarding the SAP error message WE302: "Not possible to select the 'Alphanumeric EANs' field here":
  
  Error Message:
  WE302 - Not possible to select the "Alphanumeric EANs" field here
  
  Cause:
  This error occurs when you try to select or activate the "Alphanumeric EANs" field in the Partner Profile (WE20) or in the EDI message processing settings, but the system does not allow it in the current context.
  EAN (European Article Number) fields are used for product identification in EDI messages. The "Alphanumeric EANs" option allows the use of alphanumeric characters in EAN fields instead of only numeric values.
  The main reasons for this error are:
  
  
  Incorrect Message Type or Segment Context:
  
  The "Alphanumeric EANs" field is only valid for certain message types or segments. If you try to activate it in a message type or segment where it is not supported, the system throws this error.
  
  
  Incorrect Configuration in Partner Profiles or IDoc segments:
  
  The field is only selectable in specific partner profile settings or IDoc segment definitions. If you try to select it in a place where it is not allowed, the system prevents it.
  
  
  System or Version Restrictions:
  
  Some SAP versions or EDI implementations do not support alphanumeric EANs in all contexts.
  
  
  
  Solution:
  
  
  Check the Context of Selection:
  
  Verify that you are trying to select the "Alphanumeric EANs" field in the correct place.
  Usually, this field is set in the Partner Profile (WE20) under the Outbound Parameters or Inbound Parameters for specific message types that support alphanumeric EANs.
  
  
  
  Verify Message Type and Segment:
  
  Confirm that the message type you are working with supports alphanumeric EANs.
  Check the IDoc segment definitions and ensure that the segment where you want to enable alphanumeric EANs allows it.
  
  
  
  Use the Correct Transaction:
  
  Use transaction WE20 to maintain partner profiles.
  Use transaction WE30 or WE31 to check IDoc segment definitions.
  Use transaction WE60 to check documentation for segments and fields.
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes related to EAN handling and alphanumeric EANs.
  For example, SAP Note 123456 (example) might describe restrictions or patches related to alphanumeric EANs.
  
  
  
  If Alphanumeric EANs Are Required:
  
  Ensure your system and EDI implementation support alphanumeric EANs.
  If not supported, consider converting alphanumeric EANs to numeric or using alternative fields.
  
  
  
  
  Additional Information:
  
  
  EAN (European Article Number):
  
  Traditionally numeric, but some business scenarios require alphanumeric EANs (e.g., GS1 DataBar, QR codes).
  
  
  Partner Profiles (WE20):
  
  This is where you configure how SAP communicates with external partners via IDocs and EDI.
  
  
  IDoc Segments and Fields:
  
  The structure of IDocs is defined by segments and fields. Not all fields support alphanumeric data.
  
  
  Alphanumeric EANs Setting:
  
  This setting controls whether the system accepts alphanumeric characters in EAN fields during inbound or outbound processing.
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WE302: Not possible to select the "Alphanumeric EANs" field here
  
  
  Cause
  Trying to select the field in an unsupported message type, segment, or partner profile
  
  
  Solution
  Verify correct context, message type, segment, and partner profile; use correct transactions
  
  
  Related Transactions
  WE20 (Partner Profiles), WE30/WE31 (IDoc segments), WE60 (Documentation)
  
  
  Additional Notes
  Check SAP Notes for patches or restrictions; ensure system supports alphanumeric EANs
  
  
  
  
  If you provide the exact transaction or step where you encounter this error, I can help you with more precise guidance.