Valid usernames return 404 when tested:

poetry-version-plugin: Using __init__.py file at sherlock_project/__init__.py for dynamic version
poetry-version-plugin: Setting package dynamic version to __version__ variable from __init__.py: 0.15.0
[*] Checking username Vikranth3140 on:

+++++++++++++++++++++
TARGET NAME   : Wakatime
USERNAME      : Vikranth3140
TARGET URL    : https://wakatime.com/@{username}
TEST METHOD   : status_code
Results...
RESPONSE CODE : 404
>>>>> BEGIN RESPONSE TEXT

<<<<< END RESPONSE TEXT
VERDICT       : Available
+++++++++++++++++++++

[*] Search completed with 0 results

When scraping, the returned data isn't always the same as what you'd see in a browser. It's possible that you may need to find an alternative endpoint for use in Sherlock, an alternative user agent string, or some other method.

Let me know if you need help narrowing it down and I'll hop in when able

Awesome web design by the way.

Oh okay, i will check it out, Thanks @ppfeister