Message type: E = Error
Message class:  APPL_MM_PUR_PO - Message Class for Purchase Order 
Message number: 081
Message text: Mandatory fields like the currency must be filled. PO cannot be saved.
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The SAP error message APPL_MM_PUR_PO081 indicates that there are mandatory fields that have not been filled in when trying to save a Purchase Order (PO). Specifically, the error mentions that the currency field is one of the mandatory fields that must be filled in.
Cause: The error typically occurs due to one or more of the following reasons: Missing Currency Field: The currency field in the Purchase Order is not filled in. This is a required field for any purchase order. Incomplete Data Entry: Other mandatory fields may also be missing or incomplete, but the error message specifically highlights the currency.
Configuration Issues: There may be configuration settings in the system that require certain fields to be filled in that are not being met. User Authorization: The user may not have the necessary permissions to fill in certain fields.
Solution: To resolve the error, you can take the following steps: Check Currency Field: Open the Purchase Order screen where you
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