Issues using Dictonary & Web Storage for saving the game

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iagolira's avatar
iagolira

  • Hi,

    at one point in my development my local storage stopped working. I didn't really change anything about it so I'm not sure what is causing this but the console error that I'm getting is this: 

    Unable to use local storage, reverting to in-memory store: DOMException: A mutation operation was attempted on a database that did not allow mutations. A mutation operation was attempted on a database that did not allow mutations. 01997124-d4af-418b-b711-bcbc7ef7b3aa:3:253
 _MaybeSwitchToMemoryFallback blob:https://preview.construct.net/01997124-d4af-418b-b711-bcbc7ef7b3aa:3
 getItem blob:https://preview.construct.net/01997124-d4af-418b-b711-bcbc7ef7b3aa:4
 CheckItemExists blob:https://preview.construct.net/2ff66fae-276a-4203-bb9c-b73659fb5761:5
 _RunActions_ReturnValue blob:https://preview.construct.net/a75ee092-f4bf-45f4-b5fd-9c4ab1fc25c3:26
 _RunAndBlock blob:https://preview.construct.net/a75ee092-f4bf-45f4-b5fd-9c4ab1fc25c3:23
 Run blob:https://preview.construct.net/a75ee092-f4bf-45f4-b5fd-9c4ab1fc25c3:20
 _ExecuteTrigger blob:https://preview.construct.net/26c61692-7c56-4d71-a0cb-96939271dcf2:18
 _TriggerForClass blob:https://preview.construct.net/26c61692-7c56-4d71-a0cb-96939271dcf2:12
 _Trigger blob:https://preview.construct.net/26c61692-7c56-4d71-a0cb-96939271dcf2:11
 _Trigger blob:https://preview.construct.net/0b227ecc-4b8a-45ea-803d-36c7156a0ef5:13
 Trigger blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:81
 TriggerAsync blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:82
 _StartRunning blob:https://preview.construct.net/8b0b727a-b854-4348-b3f7-f7afb5063f34:15
 _DoChangeLayout blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:78
 _MaybeChangeLayout blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:75
 Tick blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:68
 normal blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:6
 id blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 RequestPostAnimationFrame blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 _RequestAnimationFrame blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:61
 Tick blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:68
 normal blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:6
 id blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 RequestPostAnimationFrame blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 _RequestAnimationFrame blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:61
 Tick blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:68
 normal blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:6
 id blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 RequestPostAnimationFrame blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 _RequestAnimationFrame blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:61
 Tick blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:68
 normal blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:6
 id blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 RequestPostAnimationFrame blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 _RequestAnimationFrame blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:61
 Tick blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:68
 normal blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:6
 id blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 RequestPostAnimationFrame blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18
 _RequestAnimationFrame blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:61
 Tick blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:68
 normal blob:https://preview.construct.net/2a98e0ee-c496-4714-98d0-c40caa5b8e61:6
 id blob:https://preview.construct.net/bb598e4b-22ea-45d0-bd8a-db50bc03b857:18

    At the start of the game I'm doing this:

    the only other time I touch local storage is here (this does not get called when the error is thrown into the console, it gets thrown at the start of the game)

    and here are the project settings I'm using:

  • Does this happen on other computers or browsers? Try temporarily adding "Local Storage Clear" to the very start of the project and run once. If LS is corrupted, this should fix it.

  • That error ("A mutation operation was attempted on a database...") is what you get when you disable websites being able to store any data locally in Firefox settings. I think the option is called "never remember history" or something, or it might be some other tracking prevention feature. If you block any website storing data, then your project can't store any data either.

  • Hi thanks for the answers,

    it is definitely not Firefox's fault. I run into the same issue on microsoft edge.

    If you could check out the console output yourselves here is the link to the game: newgrounds.com/portal/view/786047

    And here is the .c3p file of the game: mega.nz/file/JFgxRQ4Y

    Here is the console log: 

    [Construct 3] Error parsing JSON: SyntaxError: Unexpected token d in JSON at position 0
 at JSON.parse (<anonymous>)
 at DictionaryInstance.JSONLoad (c3runtime.js:2962)
 at Action._RunObject_ParamsDontVary (c3runtime.js:1827)
 at EventBlock._RunActions_Fast (c3runtime.js:1694)
 at EventBlock._RunAndBlock (c3runtime.js:1692)
 at EventBlock.Run (c3runtime.js:1689)
 at EventSheet._ExecuteTrigger (c3runtime.js:1662)
 at EventSheet._TriggerForClass (c3runtime.js:1656)
 at EventSheet._Trigger (c3runtime.js:1655)
 at EventSheetManager._Trigger (c3runtime.js:1626)
JSONLoad @ c3runtime.js:2962
_RunObject_ParamsDontVary @ c3runtime.js:1827
_RunActions_Fast @ c3runtime.js:1694
_RunAndBlock @ c3runtime.js:1692
Run @ c3runtime.js:1689
_ExecuteTrigger @ c3runtime.js:1662
_TriggerForClass @ c3runtime.js:1656
_Trigger @ c3runtime.js:1655
_Trigger @ c3runtime.js:1626
Trigger @ c3runtime.js:2383
TriggerAsync @ c3runtime.js:2384
TriggerAsync @ c3runtime.js:1930
(anonymous) @ c3runtime.js:2989
_MaybeStartNext @ c3runtime.js:572
(anonymous) @ c3runtime.js:571
Add @ c3runtime.js:571
ScheduleTriggers @ c3runtime.js:2386
ScheduleTriggers @ c3runtime.js:1930
CheckItemExists @ c3runtime.js:2989
async function (async)
CheckItemExists @ c3runtime.js:2988
_RunActions_ReturnValue @ c3runtime.js:1695
_RunAndBlock @ c3runtime.js:1692
Run @ c3runtime.js:1689
_ExecuteTrigger @ c3runtime.js:1662
_TriggerForClass @ c3runtime.js:1656
_Trigger @ c3runtime.js:1655
_Trigger @ c3runtime.js:1626
Trigger @ c3runtime.js:2383
TriggerAsync @ c3runtime.js:2384
_StartRunning @ c3runtime.js:1150
async function (async)
_StartRunning @ c3runtime.js:1149
_DoChangeLayout @ c3runtime.js:2380
async function (async)
_DoChangeLayout @ c3runtime.js:2379
_MaybeChangeLayout @ c3runtime.js:2377
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355
requestAnimationFrame (async)
RequestPostAnimationFrame @ c3runtime.js:355
_RequestAnimationFrame @ c3runtime.js:2363
Tick @ c3runtime.js:2370
normal @ c3runtime.js:2308
(anonymous) @ c3runtime.js:355
async function (async)
(anonymous) @ c3runtime.js:355

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  • Your last post has a different error message, so looks like an unrelated issue.

    I am pretty sure that if you get an error writing to storage, it's because the browser settings have been changed to block storage.

  • Thanks for the responses!

    The issue was not with browsers, it was with my code.

    I was trying to load LocalStorage.Key instead of LocalStorage.ItemValue

    It works now!

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