Hello simranthakur,
Thank you for contacting us about a "directory could not be found" error in OpenCart. We are happy to help you troubleshoot further, but will need some additional information. Have you reviewed your OpenCart Error Logs?
What extension are you installing?
What version of OpenCart are you running?
Please include any additional steps that will help us replicate this issue.
If you have any further questions, feel free to post them below,
Thank you,
John--Paul