Virtual Path Settings Not Being Saved Correctly in AMP

Technical Support
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1

OS Name/Version: Debian 12

Product Name/Version: AMP Release “Phobos” v2.6.3.2, built 22/10/2025 11:11

Problem Description:

AMP does not correctly save the Virtual Path settings in the instance.json.
Each time I configure the settings exactly as shown in your ARK Cluster tutorial, AMP rewrites them incorrectly.

It saves them like this:

    "OverlayPath": null,
    "ExtraContainerPackages": [],
    "CustomMountBinds": {
      "/home/amp/arkcluster": ":ro"
    },
    "CustomPorts": [],
    "DatastoreId": -1,

However, it should be saved like this:

    "OverlayPath": null,
    "ExtraContainerPackages": [],
    "CustomMountBinds": {"/home/amp/arkcluster":"/AMP/ark-se/376030/arkcluster"},
    "CustomPorts": [],
    "DatastoreId": -1,

Steps to reproduce:

  • Create a new instance
  • Add a container path mount (specifically the cluster directory as shown in your tutorial)
  • AMP saves it incorrectly and the instance fails

Actions taken so far:
Manually editing the instance.json, but AMP periodically overwrites the settings.

2

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