Add Model.check_non_connection_error private method to reduce some code duplication
Add Model.check_non_connection_error private method to reduce some code duplication

offshore-safety/sequel,davidbegin/sequel,mpalmer/sequel,nicohvi/sequel,knut2/sequel,beni55/sequel,offshore-safety/sequel,nicohvi/sequel,reubano/sequel,seeARMS/sequel,dennis-d/custom_sequel,t-morgan/sequel,yazshel/sequel,freshpay/sequel,freshpay/sequel,pfarrell/sequel,dennis-d/custom_sequel,gferguson-gd/sequel,reubano/sequel,offshore-safety/sequel,nju520/sequel,seeARMS/sequel,uhoh-itsmaciek/sequel,t-morgan/sequel,pfarrell/sequel,bigfix/sequel,beni55/sequel,yazshel/sequel,tmm1/sequel,gferguson-gd/sequel,knut2/sequel,chef/sequel,mpalmer/sequel,uhoh-itsmaciek/sequel,nju520/sequel,Marketcircle/sequel,davidbegin/sequel