Flow price: --
9fbf21480c5c5a1cd339fb508a3749c124503671a56aec58e39e3cbfc989b4bc

Transaction

Hash: 9fbf21480c5c5a1cd339fb508a3749c124503671a56aec58e39e3cbfc989b4bc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9fbf21480c5c5a1cd339fb508a3749c124503671a56aec58e39e3cbfc989b4bc: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:
9fbf21480c5c5a1cd339fb508a3749c124503671a56aec58e39e3cbfc989b4bc
Status:
ERROR
Block height:
39905895
Block id:
71d734a21d8831dd5cf6b4e8025520b0200866927a63531f3c4f142cb66b305f
Timestamp:
Saturday 29 October 2022 at 04:07:28 UTC
()
Proposer:
Authorizers:
Gas used:
45