Message type: E = Error
Message class:  DMCLG - DMC Tool Development 
Message number: 184
Message text: Installed rule &1 does not exist yet
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 DMCLG184, which states "Installed rule &1 does not exist yet," typically occurs in the context of Data Management or Data Quality processes within SAP systems. This error indicates that the system is trying to reference a rule that has not been installed or is not available in the system.
Cause: Missing Rule Installation: The specified rule (denoted by &1) has not been installed in the system. This could be due to a failure during the installation process or the rule not being created at all. Incorrect Rule Reference: The rule name or identifier being referenced may be incorrect or misspelled.
Configuration Issues: There may be configuration issues in the system that prevent the rule from being recognized. Transport Issues: If the rule was supposed to be transported from another system (e.g., development to production), the transport may not have been executed successfully.
Solution: Check Rule Installation: Verify if the rule is installed in
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
DMCLG183 Recipient range from BW data source is not determined
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
DMCLG182 Fatal error: Self defined recipient range not defined
What causes this issue?  The self-definable recipient area is not set as inbound processing. Using the DMC Workbench, (transaction dmcwb), check the r...
DMCLG185 Installed rule &1 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...
DMCLG186 Migration object &1 already exists and will not be created
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.