New post error after update at 4.2.1

some more details :

I run 4.1.4 version , so for auto-update at 4.2.1 I must update manually 4.2.0 version ?

This issue can appear due of I try to pass from 4.1.4 to 4.2.1 dirrectly?

EDIT : I updated manually from 4.1.4 to 4.2.0 … all run ok until now (made update for WP + database)

but, when I update from 4.2.0 to 4.2.1 … .receive this issue.

I backup WP files and change from 4.2.1 to 4.2.0 … same issue, I must upload a old database, for 4.2.0 WP same issue.

So, I must let my WP at 4.1.4 and my database version at 30134