Flow price: --
f7574fa412bf2375b8c75ff3e902f337f2b7624ffae1f3146a68b96e66a405b6

Transaction

Hash: f7574fa412bf2375b8c75ff3e902f337f2b7624ffae1f3146a68b96e66a405b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f7574fa412bf2375b8c75ff3e902f337f2b7624ffae1f3146a68b96e66a405b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f7574fa412bf2375b8c75ff3e902f337f2b7624ffae1f3146a68b96e66a405b6
Status:
ERROR
Block height:
39739558
Block id:
11825ccc0cacdf68a9973ea80c15cf590a3f0bd0dbc9a978cea64420b0d86e04
Timestamp:
Wednesday 26 October 2022 at 09:14:36 UTC
()
Proposer:
Authorizers:
Gas used:
50