Flow price: --
929c8f43bf0adcc4a937cd7f4a12940e6ae6c105e32bb1ea1fd54159a5554265

Transaction

Hash: 929c8f43bf0adcc4a937cd7f4a12940e6ae6c105e32bb1ea1fd54159a5554265
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 929c8f43bf0adcc4a937cd7f4a12940e6ae6c105e32bb1ea1fd54159a5554265:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
929c8f43bf0adcc4a937cd7f4a12940e6ae6c105e32bb1ea1fd54159a5554265
Status:
ERROR
Block height:
40040720
Block id:
6d13d6a82610c5911229118840ed960df29b1d4450ac878b7291581f848cf8ad
Timestamp:
Monday 31 October 2022 at 10:01:19 UTC
()
Proposer:
Authorizers:
Gas used:
47