Error 0x803381E4

Value: -2144108060 | 0x803381E4 | 2150859236

What does it mean ?

ERROR_WSMAN_QUOTA_MAX_SHELLS_PPQ  
The WS-Management service cannot process the request. This user has exceeded the maximum number of concurrent shells allowed for this plugin. Close at least one open shell or raise the plugin quota for this user.
Value: 33252 | 0x81E4 | 0b1000000111100100

Where does it come from ?

FACILITY_WINRM  
Windows Resource Manager
Value: 51 | 0x033 | 0b00110011

Other Errors for FACILITY_WINRM