Flow price: --
b7b0497cdbfaf8b753ecebc6345a71751986dfeaa0490d071e00401b9a2f5ee5

Transaction

Hash: b7b0497cdbfaf8b753ecebc6345a71751986dfeaa0490d071e00401b9a2f5ee5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> b7b0497cdbfaf8b753ecebc6345a71751986dfeaa0490d071e00401b9a2f5ee5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
b7b0497cdbfaf8b753ecebc6345a71751986dfeaa0490d071e00401b9a2f5ee5
Status:
ERROR
Block height:
41347996
Block id:
1661bcfa5c841ef7765117cf72d0cc4a6b41d4f40562a989c80592511b9a5ae3
Timestamp:
Tuesday 22 November 2022 at 02:47:49 UTC
()
Proposer:
Authorizers:
Gas used:
26