Shareaholic buttons produce errors

Clicking on any Shareaholic buttons sometimes generates this error message:

{"status_code":"500","data":{"message":"something went wrong on our end: ActiveRecord::JDBCError: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.: SELECTservices.* FROMservicesWHEREservices.nickname= 'twitter' LIMIT 1","authentication_id":null}}

Tonight it’s happening almost every time. But if I reload the form it usually works okay.

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