Hi,
from your log:
180419 12:39:41 [ERROR] Slave I/O: error connecting to master 'replicator@202.134.31.171:3306' - retry-time: 60 retries: 86400, Error_code: 2003
This is an individual config you have set up that currently fails to initialize.
You have to fix your config so that the server can actually work, that will unblock the updates.
Hi, 202.134. 31.171: 3306' - retry-time: 60 retries: 86400, Error_code: 2003
from your log:
180419 12:39:41 [ERROR] Slave I/O: error connecting to master 'replicator@
This is an individual config you have set up that currently fails to initialize.
You have to fix your config so that the server can actually work, that will unblock the updates.