Flow price: --
bfcd876f4e3715da6b5e244c7f9bfab81d8d8fd646e0a159a6f0541371860fc1

Transaction

Hash: bfcd876f4e3715da6b5e244c7f9bfab81d8d8fd646e0a159a6f0541371860fc1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bfcd876f4e3715da6b5e244c7f9bfab81d8d8fd646e0a159a6f0541371860fc1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bfcd876f4e3715da6b5e244c7f9bfab81d8d8fd646e0a159a6f0541371860fc1
Status:
ERROR
Block height:
40169844
Block id:
09be2b39f3d41a8986366ae2de1c12dbdf0221a718731a44ec65e918c62d93cc
Timestamp:
Wednesday 2 November 2022 at 14:16:48 UTC
()
Proposer:
Authorizers:
Gas used:
49