Message type: E = Error
Message class:  HRPAO_DY_CUST - Dynamic Processing: Customizing 
Message number: 204
Message text: Choose a different name; Rule &1 already exists for Configuration ID &2
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
In the "Conversion Results: Preview", change the rule name and execute
the function "Save Converted Rules" again.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message HRPAO_DY_CUST204 indicates that there is a naming conflict in the configuration of a rule within the SAP system. Specifically, it means that the rule you are trying to create or modify already exists under the specified Configuration ID. Here’s a breakdown of the cause, solution, and related information for this error:
Cause: Duplicate Rule Name: The rule name you are trying to use is already in use for the specified Configuration ID. This can happen if you are trying to create a new rule with the same name as an existing one. Configuration ID Conflict: The error may also arise if there are multiple configurations that are trying to use the same rule name, leading to a conflict.
Solution: Choose a Different Name: The simplest solution is to select a different name for the rule you are trying to create. Ensure that the new name is unique within the context of
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPAO_DY_CUST203 Converted rule for dynamic action (Key: &1) already exists on DB
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Syst...
HRPAO_DY_CUST202 You have saved the converted rules to the database
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPAO_DY_CUST206 Please select (convertable) dynamic actions that are not yet converted
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPAO_DY_CUST207 Some selected dynamic actions are not yet converted and are ignored
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.