@Kemal Ertas As @Priyadarshi Ajitav Jena has indicated, it appears that you are on a very old and unsupported version of Apigee. Could you try the steps below to obtain a one time login:
On the system:
cd /var/www/html (or whatever your webroot is)
drush uli --browser=0 admin
This command (for more info, type "drush help uli") will give you a link that will work as a one time login. The system may not have the correct hostname, but you can copy/paste that into your browser, changing the hostname if needed.
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