Internal storage name always not valid

[Fabxx]

Connection Galaxy S10: Contains 2 storages that can be mounted
|-- Storage Internal storage [ID #0]
|-- Storage SD card [ID #1]
Use mount command to make one of them a windows removable drive

C:\Users\Fabx\Downloads\mtppoint>mtpmount-x64.exe mount #0
This is mtpmount, version 19.8.0 from commit 43033d6
This program comes with NO WARRANTY. Usage only at your own risk.

Did not find any storage media named Internal storage on Galaxy S10. This might be due to wrong spelling or your device not being unlocked.

[kriegaex]

Same here:

XXX> mtpmount-x64.exe list available
This is mtpmount, version 19.8.0 from commit 43033d6
This program comes with NO WARRANTY. Usage only at your own risk.

Available Connections and Storage Media:
Connection XANDER_128G: Contains 1 storages that can be mounted
 |-- Storage D: [ID #0]
Connection POCO F5 Pro: Contains 1 storages that can be mounted
 |-- Storage Interner gemeinsamer Speicher [ID #1]
Use mount command to make one of them a windows removable drive

XXX> mtpmount-x64.exe mount #1
This is mtpmount, version 19.8.0 from commit 43033d6
This program comes with NO WARRANTY. Usage only at your own risk.

Did not find any storage media named Interner gemeinsamer Speicher on POCO F5 Pro. This might be due to wrong spelling or your device not being unlocked.