Below is the log associated the error described previously.
[2018-12-17 01:55:00] production.ERROR: ***RuntimeException*** [0] : /home/donnangc/invoice.donnang.com.au/vendor/asgrim/ofxparser/lib/OfxParser/Parser.php
[Line 83] => Failed to parse OFX: array (
0 => LibXMLError::__set_state(array( 'level' => 3, 'code' => 68, 'column' => 30, 'message' => 'xmlParseEntityRef: no name ', 'file' => '', 'line' => 27, )),
1 => LibXMLError::__set_state(array( 'level' => 3, 'code' => 68, 'column' => 30, 'message' => 'xmlParseEntityRef: no name ', 'file' => '', 'line' => 321, )),
2 => LibXMLError::__set_state(array( 'level' => 3, 'code' => 68, 'column' => 30, 'message' => 'xmlParseEntityRef: no name ', 'file' => '', 'line' => 405, )),
3 => LibXMLError::__set_state(array( 'level' => 3, 'code' => 68, 'column' => 30, 'message' => 'xmlParseEntityRef: no name ', 'file' => '', 'line' => 594, )),
4 => LibXMLError::__set_state(array( 'level' => 3, 'code' => 68, 'column' => 30, 'message' => 'xmlParseEntityRef: no name ', 'file' => '', 'line' => 860, )),
5 => LibXMLError::__set_state(array( 'level' => 3, 'code' => 68, 'column' => 30, 'message' => 'xmlParseEntityRef: no name ', 'file' => '', 'line' => 944, )),
6 => LibXMLError::__set_state(array( 'level' => 3, 'code' => 68, 'column' => 30, 'message' => 'xmlParseEntityRef: no name ', 'file' => '', 'line' => 993, )), )
{"context":"PHP","user_id":1,"account_id":"1","user_name":"Nico","method":"POST","user_agent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36","locale":"en_GB","ip":"***.***.***.***","count":2,"is_console":"no","is_api":"no","db_server":"mysql","url":"bank_accounts/import_ofx"} []