Data source = None error

My cloud provider is Linode (Akamai) https://www.linode.com/
While I have to particular issue, I get:

This message at login, asking me to report error:

Last login: Thu May 4 09:03:42 2023 from 104.158.25.145
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# A new feature in cloud-init identified possible datasources for #
# this system as: #
# [] #
# However, the datasource used was: None #
# #
# In the future, cloud-init will only attempt to use datasources that #
# are identified or specifically configured. #
# For more information see #
# https://bugs.launchpad.net/bugs/1669675 #
# #
# If you are seeing this message, please file a bug against #
# cloud-init at #
# https://bugs.launchpad.net/cloud-init/+filebug?field.tags=dsid #
# Make sure to include the cloud provider your instance is #
# running on. #
# #
# After you have filed a bug, you can disable this warning by launching #
# your instance with the cloud-config below, or putting that content #
# into /etc/cloud/cloud.cfg.d/99-warnings.cfg #
# #
# #cloud-config #
# warnings: #
# dsid_missing_source: off #
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