Flow price: --
b573e674f6e71fe9c667d575e86a4d10e2049845a0336c360a4807789cf2b95a

Transaction

Hash: b573e674f6e71fe9c667d575e86a4d10e2049845a0336c360a4807789cf2b95a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b573e674f6e71fe9c667d575e86a4d10e2049845a0336c360a4807789cf2b95a: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:
b573e674f6e71fe9c667d575e86a4d10e2049845a0336c360a4807789cf2b95a
Status:
ERROR
Block height:
40038917
Block id:
f44711adf11337c0cc263f518bc92a28aa17ba3525b2feabba93e7511cf77020
Timestamp:
Monday 31 October 2022 at 09:17:49 UTC
()
Proposer:
Authorizers:
Gas used:
46