Selected Service Mesh is not associated with given placement details and services."VMware HCX
One or more VMs in the migration set are located on resources which are not mapped in the HCX Compute Profile.
Edit the Compute Profile on Source and Target HCX environments to ensure resources are mapped correctly for the VMs you wish to migrate.
Examples: Datacenter / Cluster / Datastore / Folder
For step by step details on editing the Compute Profile refer to the following documentation: Create Compute Profile