Flow price: --
d89141ed93fe936e2469c25c5ca4428d21b031376f995792ea9e608c7b499ce5

Transaction

Hash: d89141ed93fe936e2469c25c5ca4428d21b031376f995792ea9e608c7b499ce5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d89141ed93fe936e2469c25c5ca4428d21b031376f995792ea9e608c7b499ce5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d89141ed93fe936e2469c25c5ca4428d21b031376f995792ea9e608c7b499ce5
Status:
ERROR
Block height:
40051932
Block id:
88af0501cc1b25cddd8e1489bfa7300437678e48adfd4ba41b88f0ccda9889c8
Timestamp:
Monday 31 October 2022 at 14:32:53 UTC
()
Proposer:
Authorizers:
Gas used:
50