plugin update imposible after 4.2 installation

[xenod]

after wp 4.2 instalation
update dont work ( 502 bad gateway ) for plugin
but it's work for theme

confg php 5.3
server ngix (ovh)
wp 4.1.2 work fine
site ok for user

[xenod]

found a plugin who crash update :
Page Builder by SiteOrigin v2.1.1

need to be update to v2.1.2 befor update wp core or lock updating function of wp