Flow price: --
a1720fce6e9940b3e8ab22c9bb7aa3acdad9f46c4b86383dfab912de7be9afb6

Transaction

Hash: a1720fce6e9940b3e8ab22c9bb7aa3acdad9f46c4b86383dfab912de7be9afb6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a1720fce6e9940b3e8ab22c9bb7aa3acdad9f46c4b86383dfab912de7be9afb6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a1720fce6e9940b3e8ab22c9bb7aa3acdad9f46c4b86383dfab912de7be9afb6
Status:
ERROR
Block height:
39904509
Block id:
e91afe985cc704972f7170669b0fdc7de190d40685978bd4b15b7ebe722e5388
Timestamp:
Saturday 29 October 2022 at 03:33:57 UTC
()
Proposer:
Authorizers:
Gas used:
49