Proxy 2.2.1 Message Size problem

[LenR]

We upgraded to 2.2.1 from 2.0.9 and started getting
Message size 70934946 from x.x.x.x exceeds the maximum size 67108864 bytes. Message ignored

I see where others have this problem, but can't find a fix.

[LenR]

Related messages on the server are:
Feb 6 11:01:29 xxxxx Zabbix server[24062]: sending configuration data to proxy "....proxy1.....", datalen 70934946
Feb 6 11:01:29 xxxxx Zabbix server[24062]: cannot send configuration: ZBX_TCP_WRITE() failed: [32] Broken pipe