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Cannot use books on items which already have custom enchants. #208

Aericio opened this issue Jul 21, 2019 · 0 comments


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commented Jul 21, 2019

Please make sure your issue complies with these guidelines:

    • Server Software must be the official PMMP w/o vanilla patching plugins (i.e. TeaSpoon)
    • Issue must have not been reported previously
    • Make sure you are on the latest version of PMMP & PiggyCustomEnchants
    • Have a detailed title, like "CustomEnchants::getName() must be..."
    • If possible, provide crashdumps/errors related to the issue.


If you attempt to use an enchanted book on an item which already has custom enchants, it outputs the following error (bottom).


  • PiggyCustomEnchants: 1.4.6
  • PMMP: 3.9.1

Steps to Reproduce the Issue

  1. Create an enchanted book (with any custom enchant)
  2. Attempt to apply it to an item with custom enchants already on it.

Extra Information

[19:20:08] [Server thread/DEBUG]: Failed to execute inventory transaction from Aericio: Action pocketmine\inventory\transaction\action\SlotChangeAction is not valid in the current transaction
[19:20:08] [Server thread/DEBUG]: Actions: [{"sourceType":0,"windowId":0,"sourceFlags":0,"inventorySlot":0,"oldItem":{"id":0,"count":0},"newItem":{"id":278,"nbt_b64":"CgAACgcAZGlzcGxheQkEAExvcmUIAQAAAA8ACsKnNkV4cGxvc2l2ZSBJAAkEAGVuY2gKAQAAAAICAGlkyAACAwBsdmwBAAAA"}},{"sourceType":0,"windowId":124,"sourceFlags":0,"inventorySlot":0,"oldItem":{"id":278,"nbt_b64":"CgAACgcAZGlzcGxheQkEAExvcmUIAQAAAA8ACsKnNkV4cGxvc2l2ZSBJAAkEAGVuY2gKAQAAAAICAGlkyAACAwBsdmwBAAAA"},"newItem":{"id":0,"count":0}}]
[19:20:08] [Server thread/DEBUG]: Unhandled InventoryTransactionPacket received from Aericio: HgACAAAAAKwEAv//AQoACgdkaXNwbGF5CQRMb3JlCAIPCsKnNkV4cGxvc2l2ZSBJAAkEZW5jaAoCAgJpZMgAAgNsdmwBAAAAAAAA+AEArAQC//8BCgAKB2Rpc3BsYXkJBExvcmUIAg8Kwqc2RXhwbG9zaXZlIEkACQRlbmNoCgICAmlkyAACA2x2bAEAAAAAAAA=

@Aericio Aericio added the bug label Jul 21, 2019

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