How To Fix CMES104 - Operation already exists

CMES104 - Overview

• Message type: E = Error

• Message class: CMES - External Scheduling Interface CS-SDL

• Message number: 104

• Message text: Operation already exists

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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CMES104 - Details

• The SAP error message CMES104 ("Operation already exists") typically occurs in the context of SAP's Project System (PS) or Production Planning (PP) modules when you attempt to create or modify an operation in a routing or a work breakdown structure (WBS) element that already has an operation with the same identifier or characteristics.
  
  Cause:
  
  Duplicate Operation: The most common cause is that you are trying to create an operation that already exists in the routing or WBS element.
  Incorrect Data Entry: There may be a mistake in the data entry, such as entering the same operation number or characteristics that already exist.
  System Configuration: In some cases, the system configuration or settings may allow for certain operations to be unique, leading to this error when duplicates are attempted.
  
  
  Solution:
  
  
  Check Existing Operations: Review the existing operations in the routing or WBS element to confirm if the operation you are trying to create already exists. You can