Have you been asked for username/password when you open the folder the first time and did you provide them respectively?
Alternatively execute sudo smbutil view //osmc@<IP of OSMC> and check the result after typing the password (osmc)
Have you been asked for username/password when you open the folder the first time and did you provide them respectively?
Alternatively execute sudo smbutil view //osmc@<IP of OSMC> and check the result after typing the password (osmc)