Flow price: --
b790c9d4034ce7b058fe51163ae4123c3aaee3757591f2e13a02a92cdad78da0

Transaction

Hash: b790c9d4034ce7b058fe51163ae4123c3aaee3757591f2e13a02a92cdad78da0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b790c9d4034ce7b058fe51163ae4123c3aaee3757591f2e13a02a92cdad78da0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b790c9d4034ce7b058fe51163ae4123c3aaee3757591f2e13a02a92cdad78da0
Status:
ERROR
Block height:
40086653
Block id:
5e8dad30050e6b23930ec404e93b9c7d3c92edb53ee2cf8465e92e739e78cbc6
Timestamp:
Tuesday 1 November 2022 at 04:29:56 UTC
()
Proposer:
Authorizers:
Gas used:
48