The reason is that they realized the this visa is a Fake visa, and your husband has no any BUSINESS in Qatar, And now they are chasing the person who sold a visa for you and then they will find you as well. Both of you will get punished.
By the way, there is no Business visa for 2 months. PRO has lied to you.
And yeah, it takes half an hour to correct the Visa... the REAL visa, not the fake one...
Moreover, based on the new rules in Philippines, all business visas are subjects to be verified in Qatari Embassy in philippines. This new rule has been implemented due to significant amount of fake phillipino "Business" visas lately. Looks like Philippines is the centre of the Business world...