Payment requests are always grouped by payment currency in the collector of SAP Bank Communication Management, regardless of configuration. The payment currency is the currency in which the payment is made to the payee. The collector groups payment requests by payment currency to facilitate the creation of payment batches and payment media.References:https://help.sap.com/viewer/0fa84c9d9c634132b7c4abb9ffdd8f06/2020.002/en-US/3a3a8f6f7a6e4c2b8d5b8f1e2a2a0d5b.html