To Reproduce Steps to reproduce the behavior:

1. Login to horizon with federation
2. Click on 'create an instance'
3. try to choose a flavor
4. error 500 gateway

Expected behavior

• vm gets created

Screenshots

• Attached Image

Known workaround

• Horizon slow behaviour when creating a VM - 500 error has been received and several flavours were removed, this partly solved the issue but it is not acceptable workaround

Additional context

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