sims 3 pet problem

problem - installed and when try to play, it will ask to upgrade the sims 3 to the latest version, after upgrading  and it cause problem -

try to play sims 3 pet, and already done the creation of the pet play house etc..then suddently it is not working..kind of like the sims 3 and sims 3 pet version is not match...


sims 3 version = 1.26.89.013002

sims 3 pet version -