Installation fails. "JInstaller: :Install: Error SQL Unknown column 'engage_comment_id' in 'jos_engage_comments'"

[pakten46]

I tried to install Akeeba Engage, for the first time. It fails.
JInstaller: :Install: Error SQL Unknown column 'engage_comment_id' in 'jos_engage_comments'
I see in the database that such column exist.
Is it safe to delete it? And 'jos_engage_unsubscribe'?

[pakten46]

Well, I removed the table 'jos_engage_comments'.
Then installation failed. Missing table.
I created a new table 'jos_engage_comments' with only one column 'test'.
Then again:
JInstaller: :Install: Error SQL Unknown column 'engage_comment_id' in 'jos_engage_comments'

[pakten46]

I happened to find out that there was in fact an installation of Akeeba Engage (but failed and not visual in component menu).
So I found the package among the extensions and could uninstall it.
Then I could do a good installation!