How To Fix EA455 - Basic type & could not be changed

EA455 - Overview

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 455

• Message text: Basic type & could not be changed

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.

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EA455 - Details

• The SAP error message EA455, which states "Basic type & could not be changed," typically occurs in the context of IDoc processing and indicates that there is an issue with modifying a basic type in the IDoc structure. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Basic Type Locking: The basic type you are trying to change is locked for editing. This can happen if the type is being used in production or if it is part of a transport request that is currently being processed.
  Transport Request Issues: If the basic type is included in a transport request that has not been released or is in a different status, you may not be able to make changes.
  Authorization Issues: The user may not have the necessary authorizations to change the basic type.
  System Configuration: The system may be configured to prevent changes to certain basic types, especially if they are