{"payer":{"partyIdType":"MSISDN","partyId":"233538**"},"payeeNote":"","payerMessage":"","externalId":"b0c04db7-**","currency":"GHS","amount":"1.00"}
<-- 500 Server Error https://proxy.momoapi.mtn.com//collection/v2_0/payment/b0c** (345ms)
The system returns 500 Server Error. What does it mean?