2661986 - Migration Cockpit: Currency key issues regarding ISO code

During the Migration Cockpit there is the following error

B1 547: No currency key found for ISO code & in field &

or B1 882: ISO code & is not assigned to a currency key in the valid time period

or B1 883: Currency key & does not have an ISO code

or B1 887: For the ISO code &1 there is more than one SAP currency code for ALE

or B1 888: For the ISO code &1 there is no unique SAP currency code for ALE

or AFLE 008: Currency ISO conversion error &1

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

 SAP S/4HANA release independent.

B1547, B1 547, AFLE 008, AFLE008, B1882, B1883, B1887, B1888, B1 882, B1 883, B1 887, B1 888, LTMC, No currency key found for ISO code USD in field CURRENCY_ISO,  ISOCode, ISO, currency, Primary , KBA , CA-GTF-MIG , SAP S/4HANA Data Migration Cockpit Content , AC-INT , Accounting Interface , CA-LT-MC , S/4HANA Migration Cockpit , SD-MD-CM , Conditions and Condition Maintainance , Problem