No entry in $TCA¶
There is no entry in the $TCA array for the table "ERROR at settings.register.flexform.pi3.paging.pi3__pi1_table". This means that the function enableFields() is called with an invalid table name as argument.
Probably you have included xBlog static templates twice.
Check your TypoScript with the TypoScript Analyser. If xBlog static templates are included twice, please remove one of them.