Severity: Warning
Message: file_get_contents(https://...@zjnu.edu.cn+yizhang1980@seu.edu.cn.[Affiliation]&datetype=edat&usehistory=y&retmax=25&tool=pubfacts&email=info@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Search.php
Line: 168
Function: pubMedSearch_Global
File: /var/www/html/index.php
Line: 316
Function: require_once