Message type: E = Error
Message class:  HRASR00_DT_FSCN_DATA - Message of Data Class for Form Scenarios 
Message number: 231
Message text: Maximum number of entries (999) has been reached
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 HRASR00_DT_FSCN_DATA231 indicates that the maximum number of entries (999) has been reached in a specific data structure or table related to the HR (Human Resources) module, particularly in the context of the SAP Application for the Self-Service (ESS/MSS) or other HR-related functionalities.
Cause: This error typically occurs when: Data Limit Exceeded: The system has a predefined limit for the number of entries that can be stored in a particular table or data structure. In this case, it has reached the maximum of 999 entries.
Configuration Issues: There may be a configuration that allows for too many entries to be created without proper checks or limits. Data Accumulation: Over time, if data is not archived or cleaned up, it can lead to reaching the maximum limit.
Solution: To resolve this error, you can consider the following steps: Data Cleanup: Review the entries in the relevant table or data structure and delete any unnecessary or outdated entries
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRASR00_DT_FSCN_DATA230 Enter a configuration ID
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRASR00_DT_FSCN_DATA227 Variable key &1 does not exist for configuration ID &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRASR00_DT_FSCN_DATA232 Configuration ID &1 does not exist for infotype version &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRASR00_DT_FSCN_DATA233 Data is incorrect; form scenario was saved anyway
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.