Flow price: --
b9414c2b864457924ec6f79b7f4e6c858afe0916a0d4b9a0b1f2e653e60591ab

Transaction

Hash: b9414c2b864457924ec6f79b7f4e6c858afe0916a0d4b9a0b1f2e653e60591ab
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9414c2b864457924ec6f79b7f4e6c858afe0916a0d4b9a0b1f2e653e60591ab: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:
b9414c2b864457924ec6f79b7f4e6c858afe0916a0d4b9a0b1f2e653e60591ab
Status:
ERROR
Block height:
40162723
Block id:
fffa84e47b891d39e968c998c45658d0835b2669942be1334f94e9931f9c7f35
Timestamp:
Wednesday 2 November 2022 at 11:24:54 UTC
()
Proposer:
Authorizers:
Gas used:
47