Flow price: --
8a7783f46f68e5eb3c5e6f1b6f19d85db49409ca36dd0a776ad22e2f7b3efe15

Transaction

Hash: 8a7783f46f68e5eb3c5e6f1b6f19d85db49409ca36dd0a776ad22e2f7b3efe15
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:
  --> 8a7783f46f68e5eb3c5e6f1b6f19d85db49409ca36dd0a776ad22e2f7b3efe15:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
8a7783f46f68e5eb3c5e6f1b6f19d85db49409ca36dd0a776ad22e2f7b3efe15
Status:
ERROR
Block height:
41628947
Block id:
4612548841c812e4ba6aa15459116019d178f3c04da69def597442472163f66b
Timestamp:
Saturday 26 November 2022 at 15:31:02 UTC
()
Proposer:
Authorizers:
Gas used:
22