Fix taskid for VM creation.

plugins/modules/proxmox_kvm.py

@@ -902,6 +902,7 @@
   sample: "VM kropta with vmid = 110 is running"
 '''
 
+import json
 import re
 import time
 from ansible.module_utils.six.moves.urllib.parse import quote
@@ -1130,6 +1131,10 @@ def create_vm(self, vmid, newid, node, name, memory, cpu, cores, sockets, update
         else:
             taskid = proxmox_node.qemu.create(vmid=vmid, name=name, memory=memory, cpu=cpu, cores=cores, sockets=sockets, **kwargs)
 
+            # FIXME: Workaround for https://forum.proxmox.com/threads/api-bug-pvesh-create-nodes-node-qemu-output-format-json-response-format-broken.111469/.
+            if 'errors' in taskid:
+                taskid = json.loads(taskid['errors'].splitlines()[-1])
+
         if not self.wait_for_task(node, taskid):
             self.module.fail_json(msg='Reached timeout while waiting for creating VM. Last line in task before timeout: %s' %
                                   proxmox_node.tasks(taskid).log.get()[:1])