There was a problem with your request. Netboxv3.0.0

[angelo polatto]

Good night people!

So to get started on Netbox now. I made the entire installation cute. I created an IP Prefix and then I went to partition the block. As soon as I clicked on the Child prefixes tab, the server returned the following message.

Request path = https://192.168.1.131/ipam/prefixes/1/prefixes/

################ Message #######################

Server Error

There was a problem with your request. Please contact an administrator.

The complete exception is provided below:

<class 'AttributeError'>
'str' object has no attribute 'available_columns' Python version: 3.8.10 NetBox version: 3.0.0

If further assistance is required, please post to the NetBox mailing list.

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[Brian Candler]

Upgrade to v3.0.12; there were quite a few bug fixes immediately after 3.0.0 went out.

Your problem is probably this one: https://github.com/netbox-community/netbox/issues/7072

which was fixed in v3.0.1.

But I strongly suggest you should go straight to v3.0.12 and pick up the other fixes all at once.  There's no need to go via any intermediate versions.