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Did you copy and paste that code highlighted at the bottom of the screen to your post? The one that starts with

[//]# (pinmapple.......

Copy that entire highlighted section, edit your post and paste it to your post.

If you have added the post to the map, it will look like this for my latest one, if you click on the pin it will take you to the post on Hive
https://pinmapple.com/?post=walking-underneath-the-river-thames-in-london

Di d you mean like this :

Screenshot_20200819-093114.png