Flow price: --
33441548b1c477898e4e6a6485e4165ac855a22a36a44bb70d1e5339e004e553

Transaction

Hash: 33441548b1c477898e4e6a6485e4165ac855a22a36a44bb70d1e5339e004e553
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 33441548b1c477898e4e6a6485e4165ac855a22a36a44bb70d1e5339e004e553:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
33441548b1c477898e4e6a6485e4165ac855a22a36a44bb70d1e5339e004e553
Status:
ERROR
Block height:
39766155
Block id:
47e67b1b994976ca996ddf414951c00397a9ea56b11b68dae9e883e610a8b490
Timestamp:
Wednesday 26 October 2022 at 19:57:38 UTC
()
Proposer:
Authorizers:
Gas used:
50