Message type: E = Error
Message class:  /ACCGO/CAS_FLLW_MSG -  
Message number: 075
Message text: Data already exists; select row &1 to view
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 /ACCGO/CAS_FLLW_MSG075 indicates that there is an attempt to create or insert a record in the system that already exists. This is a common issue in SAP systems, particularly when dealing with data entries that require unique identifiers or when there are constraints on the data being entered.
Cause: Duplicate Data Entry: The most common cause is that the data you are trying to enter already exists in the database. This could be due to a previous entry that was not properly deleted or updated. Data Integrity Constraints: The system may have constraints that prevent duplicate entries for certain fields or combinations of fields. Incorrect Data Handling: If the data is being imported or processed in bulk, there may be issues with the logic that checks for existing records.
Solution: Check Existing Records: Use the row number indicated in the error message (if applicable) to view the existing record. This will help you
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/ACCGO/CAS_FLLW_MSG074 No data values found for access &1 and counter &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/ACCGO/CAS_FLLW_MSG073 System locking error occurred
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/ACCGO/CAS_FLLW_MSG076 Following match ID &1 maintained for the selection rule
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/ACCGO/CAS_FLLW_MSG077 Following selection screen fields entered for evaluation:
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.