How To Fix EA771 - Basic type & is not linked with any logical message

EA771 - Overview

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 771

• Message text: Basic type & is not linked with any logical message

What causes this issue?

Basic type &v1& not yet assigned to a logical message.

System Response

The basic type cannot yet be used in IDoc outbound/inbound processing.

How to fix this error?

Assign a logical message.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA771 - Basic type & is not linked with any logical message ?

  The SAP error message EA771 indicates that a specific basic type is not linked to any logical message in the system. This typically occurs in the context of Electronic Data Interchange (EDI) or Intermediate Document (IDoc) processing, where the system expects a certain configuration that is not present.
  
  Cause:
  
  Missing Configuration: The basic type specified in the error message is not associated with any logical message type in the system. This can happen if the necessary configuration has not been set up in the EDI/IDoc settings.
  Incorrect Basic Type: The basic type being used may be incorrect or misspelled, leading to the system not being able to find a corresponding logical message.
  Transport Issues: If the configuration was recently transported from another system, it may not have been transported correctly, leading to missing links.
  Version Mismatch: There may be a version mismatch between the basic type and the logical message type, especially if updates or