Flow price: --
d35cbf567df63cffde219a271e6cfb76633a5e69f4e50593f7d2bb60309b4760

Transaction

Hash: d35cbf567df63cffde219a271e6cfb76633a5e69f4e50593f7d2bb60309b4760
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d35cbf567df63cffde219a271e6cfb76633a5e69f4e50593f7d2bb60309b4760:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d35cbf567df63cffde219a271e6cfb76633a5e69f4e50593f7d2bb60309b4760
Status:
ERROR
Block height:
40143668
Block id:
36d6ce14ae2db76252084704503909da18740d41994c55539598624a7ff6e221
Timestamp:
Wednesday 2 November 2022 at 03:39:40 UTC
()
Proposer:
Authorizers:
Gas used:
47