How To Fix EAN_UCC056 - Cannot determine list of key fields; check customization settings

EAN_UCC056 - Overview

• Message type: E = Error

• Message class: EAN_UCC - EAN.UCC Messages

• Message number: 056

• Message text: Cannot determine list of key fields; check customization settings

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message EAN_UCC056 - Cannot determine list of key fields; check customization settings ?

  The SAP error message EAN_UCC056 ("Cannot determine list of key fields; check customization settings") typically occurs in the context of handling EAN/UCC (European Article Number/Uniform Code Council) data, which is often related to barcode processing or product identification in SAP systems. This error indicates that the system is unable to determine the necessary key fields for processing the EAN/UCC data due to configuration issues.
  Causes:
  
  Missing Customization Settings: The key fields required for EAN/UCC processing may not be properly defined in the system's configuration.
  Incorrect Master Data: The material master or other relevant master data may not have the necessary EAN/UCC information filled out.
  Inconsistent Data: There may be inconsistencies in the data that prevent the system from determining the key fields.
  Missing or Incorrect EAN/UCC Configuration: The configuration settings for EAN/UCC in the relevant customizing transactions may be incomplete or incorrect.
  
  Solutions:
  
  
  Check Customizing Settings:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Logistics - General