@Daniel Schmitz Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
Based on the error message : "Allocation failed. We do not have sufficient capacity for the requested VM size in this region. Read more about improving likelihood of allocation success at https://aka.ms/allocation-guidance" Please refer to the below mentioned.
Please refer - Troubleshoot allocation failures when you create, restart, or resize VMs in Azure
If the issue still persist, I would recommend you to contact support, so If you have a support plan, I request you file a support ticket, else please do let us know, we will try and help you get a one-time free technical support. In this case, could you send an email to AzCommunity[at]Microsoft[dot]com referencing this thread as well as your subscription ID. Please mention "ATTN subm" in the subject field. Thank you for your cooperation on this matter and look forward to your reply.
Please let us know if you have any further queries. I’m happy to assist you further.
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