Flow price: --
ff3f4cc6bf835f8d48e290cb7a1a3e9c2ca6511c3715dad4b579f5de8e594654

Transaction

Hash: ff3f4cc6bf835f8d48e290cb7a1a3e9c2ca6511c3715dad4b579f5de8e594654
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ff3f4cc6bf835f8d48e290cb7a1a3e9c2ca6511c3715dad4b579f5de8e594654:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ff3f4cc6bf835f8d48e290cb7a1a3e9c2ca6511c3715dad4b579f5de8e594654
Status:
ERROR
Block height:
39853081
Block id:
779c062155e099a11ace207003819a032aab7df8002a11c4c26fc4ba1ae56380
Timestamp:
Friday 28 October 2022 at 07:01:00 UTC
()
Proposer:
Authorizers:
Gas used:
46