Message type: E = Error
Message class:  AFWCH_FL - AFWCH: Filter Messages 
Message number: 070
Message text: Filter already exists
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 AFWCH_FL070, which states "Filter already exists," typically occurs in the context of the SAP system when you are trying to create a filter that already exists in the system. This can happen in various modules, particularly in the context of SAP Analytics Cloud, SAP BW, or other reporting tools where filters are used to refine data queries.
Cause: Duplicate Filter Creation: The most common cause of this error is that you are attempting to create a filter with the same name or criteria as an existing filter. System Configuration: There may be a configuration issue where the system is not recognizing the uniqueness of the filter due to naming conventions or settings. User Permissions: Sometimes, user permissions may restrict the ability to create new filters if similar filters already exist.
Solution: Check Existing Filters: Before creating a new filter, check the list of existing filters to see if one with the same
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
AFWCH_FL069 You have no authorization to &1 filter &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
AFWCH_FL068 No base portfolios exist for filter & (segments)
What causes this issue?  There are no base portfolios (segments) that match the values of the filter. As a result, the system can create only one port...
AFWCH_FL071 Value '#' as a place holder for the inital value is invalid
 isbrmWhat causes this issue?  You entered the value '#' as a selection criterion. This value is not interpreted as an initial value. The sy...
AFWCH_FO000 *** 001-099 Financial Object Selection                                ***
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.