FortiGate block page rated as 'Business'

[i2analytical]

Website "www.sigmaaldrich.com" although correctly rated as "Business", pictures blocked.

What can I do on Forti config ?

I waiting for support anwser 48h, still nothing. 

[SCSIraidGURU]

Static URL Filter can allow the site. 

[i2analytical]

Doesn't solved the problem. I add filter as 'allow', I also ad page to new forti custom category. Still the same. 

Other solutions? 

[SCSIraidGURU]

Did you create a signature under Business that allows it?  Other option is completely white list the domain.

[i2analytical]

Today I test all features in administration as off. Web filter, anty-wirus, antyspam etc. Nothing of that change situation. Im out of possibilities ...