License problem during Optimization

Hello , I use license at university server. I have problem with license during Optimization. I can use HyperMesh, Hyperview without any problems, I can run static analysis also normally but when I try run Topology optimization fatal error occure. Please help me,

Greetings, Kris

 

RADIOSS/OptiStruct ERROR: 1.
 A fatal error has occurred in your model. Please refer to the .out
 file to obtain more information on how to correct it.

License error:
Altair License Manager: License error
Feature: GlobalZoneEU
Error Code: 17
Error Description:
[LOCAL] C:\Program Files\Altair\12.0\/security/altair_lic.dat - (Err: 6) Unable to read file
[NETWORK] 6200@149.156.xxx.xxx - (Err: 17) Request for more licenses than available on license server
Feature: OptiStruct
Error Code: 9
Error Description:
[LOCAL] C:\Program Files\Altair\12.0\/security/altair_lic.dat - (Err: 6) Unable to read file
[NETWORK] 6200@149.156.xxx.xxx - (Err: 9) Feature not found
License Path: C:\Program Files\Altair\12.0\/security/altair_lic.dat;6200@149.156.xxx.xxx

 ==== End of solver screen output ==== 

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