Error 0x803381E6

Value: -2144108058 | 0x803381E6 | 2150859238

What does it mean ?

ERROR_WSMAN_QUOTA_MAX_PLUGINSHELLS_PPQ  
The WS-Management service cannot process the request. The maximum number of concurrent shells allowed for this plugin has been exceeded. Retry the request later or raise the Maximum Shells per Plugin quota.
Value: 33254 | 0x81E6 | 0b1000000111100110

Where does it come from ?

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

Other Errors for FACILITY_WINRM