Error 0x80548204

Value: -2141945340 | 0x80548204 | 2153021956

What does it mean ?

E_MBN_INVALID_ACCESS_STRING  
Access point name (APN) or Access string is incorrect.
Value: 33284 | 0x8204 | 0b1000001000000100

Where does it come from ?

FACILITY_POWERSHELL  
Power Shell
Value: 84 | 0x054 | 0b01010100

Other Errors for FACILITY_POWERSHELL