hi

i try to create hosting plan with whmcs but after accepted order get an error

Some Orders Failed to Accept
0 order(s) accepted successfully, but 1 order(s) failed (Order Number(s): 8). See the Activity Log for more information: System Activity Log

in System Activity Log

14/05/2019 13:12

Module Create Failed - Service ID: 18 - Error: CreateAccount Fault: (Code: 0, Message: ChangeUserStatus Fault: (Code: 0, Message: SOAP Fault: (Code: 0, Message: Server was unable to process request. ---> Object reference not set to an instance of an object.), Service ID: 18)
admin
x.xxx.xxx.xx

14/05/2019 13:12

CreateAccount Fault: (Code: 0, Message: ChangeUserStatus Fault: (Code: 0, Message: SOAP Fault: (Code: 0, Message: Server was unable to process request. ---> Object reference not set to an instance of an object.), Service ID: 18)
admin
x.xxx.xxx.xx

14/05/2019 13:11

Running Module Create on Accept Pending Order

Soap Client is Active in Server
And My php version 7.2
Solid Cp Version is 1.4.2