Flow price: --
4c3102a3f3a6b3c2db428f8ff31f8e02be58a9d90c46fec31f1b5cbdab831256

Transaction

Hash: 4c3102a3f3a6b3c2db428f8ff31f8e02be58a9d90c46fec31f1b5cbdab831256
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:
  --> 4c3102a3f3a6b3c2db428f8ff31f8e02be58a9d90c46fec31f1b5cbdab831256:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
4c3102a3f3a6b3c2db428f8ff31f8e02be58a9d90c46fec31f1b5cbdab831256
Status:
ERROR
Block height:
40199227
Block id:
8e2d4808f72a959fb3aeaceaecda24b2f598a475d0103870c8693206e18b6d73
Timestamp:
Thursday 3 November 2022 at 03:22:48 UTC
()
Proposer:
Authorizers:
Gas used:
37