3726340 - Error: "hostkey has been changed for remote host (<Virtual host>:<Virtual port>)" in Datasphere

The connection type is Generic SFTP. When validating connection, the following error occurs:

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Connection "xxx" couldn’t be established. 
- Data flows can’t be used because of errors in the connection.
- Replication flows can’t be used because of errors in the connection.
- Remote tables are not supported.

Data Flows: Cause: Possible causes of error: Detailed error message (hostkey has been changed for remote host (<Virtual host>:<Virtual port>))
Replication Flows: Cause: Possible causes of error: Detailed error message (hostkey has been changed for remote host (<Virtual host>:<Virtual port>))

Correlation ID: xxxxxx
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SAP Datasphere

DS, DSP, DWC, Cloud, On-premise , KBA , DS-DI-CON , Connections , CA-DI-EMB , Data Intelligence Embedded in Data Warehouse Cloud , Problem