Flow price: --
974921dc064efa3546f54ab8bdc79785305cf43dd2de71b13b29b54c3a7b3c39

Transaction

Hash: 974921dc064efa3546f54ab8bdc79785305cf43dd2de71b13b29b54c3a7b3c39
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 974921dc064efa3546f54ab8bdc79785305cf43dd2de71b13b29b54c3a7b3c39:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
974921dc064efa3546f54ab8bdc79785305cf43dd2de71b13b29b54c3a7b3c39
Status:
ERROR
Block height:
39859540
Block id:
bdfdff903a98a3f84be6cd6d195109023e5fb53b30123948d0495b4215cad863
Timestamp:
Friday 28 October 2022 at 09:37:35 UTC
()
Proposer:
Authorizers:
Gas used:
49