Message type: E = Error
Message class:  AFWCH_FL - AFWCH: Filter Messages 
Message number: 016
Message text: Filter & was deleted
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The SAP error message AFWCH_FL016 indicates that a filter (specifically, a filter for a work center) has been deleted. This error typically arises in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where filters are used to manage and control data visibility and processing.
Cause: Filter Deletion: The most straightforward cause is that the filter referenced in the operation has been deleted from the system. This could happen due to manual deletion by a user or as part of a system cleanup process. Configuration Changes: Changes in configuration settings or updates to the system might lead to the unavailability of certain filters. Transport Issues: If filters are transported between systems (e.g., from development to production), there might be inconsistencies or missing filters in the target system.
Solution: Check Filter Existence: Verify if the filter in question still exists in the system. You can do this by navigating to the relevant transaction or
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