Flow price: --
275cd7fa6bcd2a38254837dc387210560c4dbe1a774f2e642e5bf90d8f34c196

Transaction

Hash: 275cd7fa6bcd2a38254837dc387210560c4dbe1a774f2e642e5bf90d8f34c196
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 275cd7fa6bcd2a38254837dc387210560c4dbe1a774f2e642e5bf90d8f34c196:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
275cd7fa6bcd2a38254837dc387210560c4dbe1a774f2e642e5bf90d8f34c196
Status:
ERROR
Block height:
39917759
Block id:
e75128fa76b72c49586d0b03db0b632c356dae342db07aab378fd0041884ab7a
Timestamp:
Saturday 29 October 2022 at 08:52:38 UTC
()
Proposer:
Authorizers:
Gas used:
47