# Flow Playground **URL:** https://forum.flow.com/c/developer-tools/flow-playground/16.md [Latest](https://forum.flow.com/latest.md) · [Categories](https://forum.flow.com/categories.md) · [Tags](https://forum.flow.com/tags.md) --- ## [About the Flow Playground category](https://forum.flow.com/t/about-the-flow-playground-category/122)
**Author:** [@Mackenzie](https://forum.flow.com/u/Mackenzie)\ **Replies:** 0
--- ## [Playground Keeps Crashing - Graph Errors](https://forum.flow.com/t/playground-keeps-crashing-graph-errors/2527)
**Author:** [@seeward](https://forum.flow.com/u/seeward)\ **Replies:** 5\ **Last updated:** [December 6, 2021, 6:40am UTC](https://forum.flow.com/t/playground-keeps-crashing-graph-errors/2527 "2021-12-06T06:40:14Z")
I am not able to deploy the (unedited example) contracts or execute transactions int the playground. I get the above error or a completely white screen. Could this be just for me? --- ## [Problem with creating reference to a resource](https://forum.flow.com/t/problem-with-creating-reference-to-a-resource/2348)
**Author:** [@YBBlockDev](https://forum.flow.com/u/YBBlockDev)\ **Replies:** 7\ **Last updated:** [September 14, 2021, 3:59am UTC](https://forum.flow.com/t/problem-with-creating-reference-to-a-resource/2348 "2021-09-14T03:59:14Z")
Hi everyone! I’m new to Cadence and I’m facing a problem with resources & references. I have a resource for certain withdrawing restrictions store in /storage/Restrictions, then I have a transaction that changes the Wit… --- ## [{String: String} broken in Flow Playground](https://forum.flow.com/t/string-string-broken-in-flow-playground/1398)
**Author:** [@FranklinsHand](https://forum.flow.com/u/FranklinsHand)\ **Replies:** 3\ **Last updated:** [April 16, 2021, 2:35pm UTC](https://forum.flow.com/t/string-string-broken-in-flow-playground/1398 "2021-04-16T14:35:38Z")
Whenever I attempt to use the {String: String} input for transactions I get this error Error: GraphQL error: failed to decode argument 0: failed to decode value: invalid JSON Cadence structure I brought the code down t… --- ## [Error while deploying tutorial & possible bug in tutorial's withdraw()](https://forum.flow.com/t/error-while-deploying-tutorial-possible-bug-in-tutorials-withdraw/707)
**Author:** [@Kalin](https://forum.flow.com/u/Kalin)\ **Replies:** 2\ **Last updated:** [January 4, 2021, 4:21pm UTC](https://forum.flow.com/t/error-while-deploying-tutorial-possible-bug-in-tutorials-withdraw/707 "2021-01-04T16:21:29Z")
Hello everyone, two things: I’ve just stared playing around and unfortunately I came across this message on the first step of Fungible Token tutorial (deploying FungibleToken.cdc on account 0x01): Any idea why or … --- ## [Can you make Flow playground output bigger?](https://forum.flow.com/t/can-you-make-flow-playground-output-bigger/462)
**Author:** [@makoto](https://forum.flow.com/u/makoto)\ **Replies:** 5\ **Last updated:** [July 21, 2020, 1:02am UTC](https://forum.flow.com/t/can-you-make-flow-playground-output-bigger/462 "2020-07-21T01:02:49Z")
Currently it’s very small. Can you make it bigger or adjustable like “storage” section? --- ## [Is there a way to make Playground work in splitscreen mode?](https://forum.flow.com/t/is-there-a-way-to-make-playground-work-in-splitscreen-mode/417)
**Author:** [@miaow](https://forum.flow.com/u/miaow)\ **Replies:** 3\ **Last updated:** [July 20, 2020, 1:10pm UTC](https://forum.flow.com/t/is-there-a-way-to-make-playground-work-in-splitscreen-mode/417 "2020-07-20T13:10:17Z")
As someone who tends to use just 1 screen at a time, i tend to use splitscreen but find it very frustrating that I am unable to view the forum and playground in split screen as the playground keeps saying it works better… --- ## [Transaction3.cdc for Fungible Tokens](https://forum.flow.com/t/transaction3-cdc-for-fungible-tokens/444)
**Author:** [@soft\_orca](https://forum.flow.com/u/soft_orca)\ **Replies:** 1\ **Last updated:** [July 18, 2020, 6:28pm UTC](https://forum.flow.com/t/transaction3-cdc-for-fungible-tokens/444 "2020-07-18T18:28:06Z")
what might be the issue for this error? Error Execution failed: unexpectedly found nil while forcing an Optional value Had the same error on vscode as well.