<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">
<h4>A PHP Error was encountered</h4>
<p>Severity: Warning</p>
<p>Message: Invalid argument supplied for foreach()</p>
<p>Filename: libraries/ElasticSearch.php</p>
<p>Line Number: 1067</p>
<p>Backtrace:</p>
<p style="margin-left:10px">
File: /var/www/openml.org/public_html/openml_OS/libraries/ElasticSearch.php<br />
Line: 1067<br />
Function: _error_handler </p>
<p style="margin-left:10px">
File: /var/www/openml.org/public_html/openml_OS/libraries/ElasticSearch.php<br />
Line: 1229<br />
Function: fetch_runfiles </p>
<p style="margin-left:10px">
File: /var/www/openml.org/public_html/openml_OS/libraries/ElasticSearch.php<br />
Line: 1241<br />
Function: index_single_run </p>
<p style="margin-left:10px">
File: /var/www/openml.org/public_html/openml_OS/libraries/ElasticSearch.php<br />
Line: 319<br />
Function: index_run </p>
<p style="margin-left:10px">
File: /var/www/openml.org/public_html/openml_OS/models/api/v1/Api_run.php<br />
Line: 860<br />
Function: index </p>
<p style="margin-left:10px">
File: /var/www/openml.org/public_html/openml_OS/models/api/v1/Api_run.php<br />
Line: 52<br />
Function: run_evaluate </p>
<p style="margin-left:10px">
File: /var/www/openml.org/public_html/openml_OS/controllers/Api_new.php<br />
Line: 166<br />
Function: bootstrap </p>
<p style="margin-left:10px">
File: /var/www/openml.org/public_html/openml_OS/controllers/Api_new.php<br />
Line: 121<br />
Function: bootstrap </p>
<p style="margin-left:10px">
File: /var/www/openml.org/public_html/index.php<br />
Line: 334<br />
Function: require_once </p>
when evaluating a run