Message type: E = Error
Message class:  /SAPAPO/PAGT_HEUR -  
Message number: 204
Message text: Heuristic with technical name &1 has no customizing settings assigned!
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.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message /SAPAPO/PAGT_HEUR204 indicates that a specific heuristic (identified by its technical name) does not have any customizing settings assigned to it. This typically occurs in the context of Advanced Planning and Optimization (APO) within SAP, particularly when trying to execute a planning heuristic that has not been properly configured.
Cause: Missing Customizing Settings: The heuristic you are trying to run has not been assigned any customizing settings in the system. This could be due to: The heuristic is newly created and has not been configured yet. The heuristic was deleted or deactivated in the customizing settings. The settings were not transported correctly from the development environment to the production environment. Incorrect Heuristic Name: The heuristic name provided might be incorrect or does not exist in the system.
Solution: Check Customizing Settings: Go to the customizing transaction for heuristics in SAP APO. This is usually found under: SAP Easy Access ? Advanced Planning and Optimization ? Global Settings
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/SAPAPO/PAGT_HEUR203 No valid variant applied, so no settings could be determined!
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/PAGT_HEUR202 Settings from heuristic variant &1 has been adopted!
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/PAGT_HEUR205 Error while calling sorting popup!
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SAPAPO/PAGT_HEUR206 No settings variant has been applied
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.