I'm on Magento 1.9 and currently facing an issue with the captcha on admin login page. Captcha image is not getting generated and it shows broken link in place of captcha image.
I also checked webroot/media/captcha/admin and webroot/media/captcha/base it is empty.
Can someone help me? How to go about troubleshooting this issue?
Check whether write permission is there for both these folders webroot/media/captcha/admin and webroot/media/captcha/base. So that the captcha image files can be created inside these folders.