Not able to create private keys

[SrinivasPra]

Prerequisites

• I am running the latest version of the AEA Framework.
• I checked the documentation and found no answer to my problem.
• I checked the existing issues to make sure my problem has not already been reported.
• I have read the code of conduct before creating this issue.

Expected Behavior

Creation of private keys for each AEA

Current Behavior

Usage: aea generate-key [OPTIONS] TYPE FILE
Try 'aea generate-key --help' for help.

Error: Invalid value for 'TYPE': 'fetchai' is not 'all'.

To Reproduce

No response

Context

Opearting system: Ubuntu, Python version: 3.8.10, AEA version: 1.2.4

Failure Logs

my_aea_projects-ESTXBO7J) rxs2kor@KOR1089521:~/my_aea_projects/generic_buyer$ aea generate-key fetchai
Usage: aea generate-key [OPTIONS] TYPE FILE
Try 'aea generate-key --help' for help.

Error: Invalid value for 'TYPE': 'fetchai' is not 'all'.
(my_aea_projects-ESTXBO7J) rxs2kor@KOR1089521:~/my_aea_projects/generic_buyer$ aea add-key fetchai fetchai_private_key.txt
Usage: aea add-key [OPTIONS] TYPE FILE
Try 'aea add-key --help' for help.

Error: Invalid value for 'TYPE': 'fetchai' is not one of .

[ekzarov]

Same for me...