How To Fix E0477 - Not possible to cancel release

E0477 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 477

• Message text: Not possible to cancel release

What causes this issue?

You tried to cancel the release of a segment definition. This is not
possible for consistency reasons since a successor definition already
exists. It is only possible to cancel the release of the last segment
definition.

System Response

The release cannot be cancelled.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

E0477 - Details

• The SAP error message E0477, "Not possible to cancel release," typically occurs in the context of materials management or production planning when a user attempts to cancel a release (such as a production order or a purchase requisition) that cannot be canceled due to certain conditions.
  Causes:
  
  Status of the Document: The document (e.g., production order, purchase requisition) may be in a status that does not allow for cancellation. For example, if the order has already been confirmed or goods have been issued against it, cancellation may not be permitted.
  Dependencies: There may be dependencies or linked documents that prevent the cancellation. For instance, if a production order has been linked to a delivery or invoice, it may not be possible to cancel the release.
  Authorization Issues: The user may not have the necessary authorizations to perform the cancellation.
  System Settings: Certain system settings or configurations may restrict the ability to cancel releases under specific