Piplock error- getting an error of incompatible versions even when I have the needed version on my project

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Locking Failed!
[pipenv.exceptions.ResolutionFailure]: req_dir=requirements_dir
[pipenv.exceptions.ResolutionFailure]: File "c:\users\ved\anaconda3\envs\fsdl-text-recognizer\lib\site-packages\pipenv\utils.py", line 726, in resolve_deps
[pipenv.exceptions.ResolutionFailure]: req_dir=req_dir,
[pipenv.exceptions.ResolutionFailure]: File "c:\users\ved\anaconda3\envs\fsdl-text-recognizer\lib\site-packages\pipenv\utils.py", line 480, in actually_resolve_deps
[pipenv.exceptions.ResolutionFailure]: resolved_tree = resolver.resolve()
[pipenv.exceptions.ResolutionFailure]: File "c:\users\ved\anaconda3\envs\fsdl-text-recognizer\lib\site-packages\pipenv\utils.py", line 395, in resolve
[pipenv.exceptions.ResolutionFailure]: raise ResolutionFailure(message=str(e))
[pipenv.exceptions.ResolutionFailure]: pipenv.exceptions.ResolutionFailure: ERROR: ERROR: Could not find a version that matches tensorflow-estimator<2.3.0,==2.2.0rc0,>=2.2.0rc0
[pipenv.exceptions.ResolutionFailure]: Tried: 1.10.6, 1.10.7, 1.10.8, 1.10.9, 1.10.10, 1.10.11, 1.10.12, 1.13.0, 1.14.0, 1.15.0, 1.15.1, 1.15.2, 2.0.0, 2.0.1, 2.1.0, 2.2.0, 2.3.0
[pipenv.exceptions.ResolutionFailure]: Skipped pre-versions: 1.13.0rc0, 1.14.0rc0, 1.14.0rc1, 2.1.0rc0, 2.2.0rc0, 2.3.0rc0, 2.4.0rc0
[pipenv.exceptions.ResolutionFailure]: Warning: Your dependencies could not be resolved. You likely have a mismatch in your sub-dependencies.
First try clearing your dependency cache with $ pipenv lock --clear, then try the original command again.
Alternatively, you can use $ pipenv install --skip-lock to bypass this mechanism, then run $ pipenv graph to inspect the situation.
Hint: try $ pipenv lock --pre if it is a pre-release dependency.
ERROR: ERROR: Could not find a version that matches tensorflow-estimator<2.3.0,==2.2.0rc0,>=2.2.0rc0
Tried: 1.10.6, 1.10.7, 1.10.8, 1.10.9, 1.10.10, 1.10.11, 1.10.12, 1.13.0, 1.14.0, 1.15.0, 1.15.1, 1.15.2, 2.0.0, 2.0.1, 2.1.0, 2.2.0, 2.3.0
Skipped pre-versions: 1.13.0rc0, 1.14.0rc0, 1.14.0rc1, 2.1.0rc0, 2.2.0rc0, 2.3.0rc0, 2.4.0rc0
There are incompatible versions in the resolved dependencies.
[pipenv.exceptions.ResolutionFailure]: File "c:\users\ved\anaconda3\envs\fsdl-text-recognizer\lib\site-packages\pipenv\utils.py", line 726, in resolve_deps
[pipenv.exceptions.ResolutionFailure]: req_dir=req_dir,
[pipenv.exceptions.ResolutionFailure]: File "c:\users\ved\anaconda3\envs\fsdl-text-recognizer\lib\site-packages\pipenv\utils.py", line 480, in actually_resolve_deps
[pipenv.exceptions.ResolutionFailure]: resolved_tree = resolver.resolve()
[pipenv.exceptions.ResolutionFailure]: File "c:\users\ved\anaconda3\envs\fsdl-text-recognizer\lib\site-packages\pipenv\utils.py", line 395, in resolve
[pipenv.exceptions.ResolutionFailure]: raise ResolutionFailure(message=str(e))
[pipenv.exceptions.ResolutionFailure]: pipenv.exceptions.ResolutionFailure: ERROR: ERROR: Could not find a version that matches tensorflow-estimator<2.3.0,==2.2.0rc0,>=2.2.0rc0
[pipenv.exceptions.ResolutionFailure]: Tried: 1.10.6, 1.10.7, 1.10.8, 1.10.9, 1.10.10, 1.10.11, 1.10.12, 1.13.0, 1.14.0, 1.15.0, 1.15.1, 1.15.2, 2.0.0, 2.0.1, 2.1.0, 2.2.0, 2.3.0
[pipenv.exceptions.ResolutionFailure]: Skipped pre-versions: 1.13.0rc0, 1.14.0rc0, 1.14.0rc1, 2.1.0rc0, 2.2.0rc0, 2.3.0rc0, 2.4.0rc0
[pipenv.exceptions.ResolutionFailure]: Warning: Your dependencies could not be resolved. You likely have a mismatch in your sub-dependencies.
First try clearing your dependency cache with $ pipenv lock --clear, then try the original command again.
Alternatively, you can use $ pipenv install --skip-lock to bypass this mechanism, then run $ pipenv graph to inspect the situation.
Hint: try $ pipenv lock --pre if it is a pre-release dependency.
ERROR: ERROR: Could not find a version that matches tensorflow-estimator<2.3.0,==2.2.0rc0,>=2.2.0rc0
Tried: 1.10.6, 1.10.7, 1.10.8, 1.10.9, 1.10.10, 1.10.11, 1.10.12, 1.13.0, 1.14.0, 1.15.0, 1.15.1, 1.15.2, 2.0.0, 2.0.1, 2.1.0, 2.2.0, 2.3.0
Skipped pre-versions: 1.13.0rc0, 1.14.0rc0, 1.14.0rc1, 2.1.0rc0, 2.2.0rc0, 2.3.0rc0, 2.4.0rc0
There are incompatible versions in the resolved dependencies.