Error Service cannot be reached in Solution Manager sp15

Hi.

We have problem wit Solution Manager with transaction solman_workcenter, sendme error:

Service cannot be reached

What has happened?

URL http://><server>:8001/sap/bc/webdynpro/sap/ags_workcenter call was terminated because the corresponding service is not available.

Note

The termination occurred in system <SID> with error code 403 and for the reason Forbidden.

The selected virtual host was 0 .

What can I do?

Please select a valid URL.

If you do not yet have a user ID, contact your system administrator.

ErrorCode:ICF-NF-http-c:000-u:SAPSYS-l:E-i:server_SID_01-v:0-s:403-r:Forbidden

HTTP 403 - Forbidden

Your SAP Internet Communication Framework Team

Please sendme documentation of this case, or link for help.

TKS

KOOPA