Message type: E = Error
Message class:  UPO_IE_MSG - UOM and PRA Integration Messages 
Message number: 057
Message text: Cannot delete; Reservoir was created in UOM
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The SAP error message UPO_IE_MSG057 indicates that a reservoir (or a similar object) cannot be deleted because it was created in a specific Unit of Measure (UOM). This error typically arises in the context of SAP's Integrated Business Planning (IBP) or other modules that deal with inventory management, production planning, or similar functionalities.
Cause: The primary cause of this error is that the system has restrictions on deleting certain objects that are tied to specific units of measure. This could be due to: Data Integrity: The system is designed to maintain data integrity and prevent the deletion of objects that are still in use or have dependencies. Configuration Settings: There may be configuration settings in the system that prevent the deletion of reservoirs created with specific UOMs. Active Transactions: There might be ongoing transactions or processes that reference the reservoir, making it impossible to delete.
Solution: To resolve this error, you can consider the following steps: Check Dependencies:
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