Flow price: --
763d65bf462f3e65fa7982683325d40a313a2cc76919c1a605c79728e6bf419b

Transaction

Hash: 763d65bf462f3e65fa7982683325d40a313a2cc76919c1a605c79728e6bf419b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 763d65bf462f3e65fa7982683325d40a313a2cc76919c1a605c79728e6bf419b: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:
763d65bf462f3e65fa7982683325d40a313a2cc76919c1a605c79728e6bf419b
Status:
ERROR
Block height:
39851824
Block id:
c134447301bd9502886cb6096cc4c4155394c385292d26f31e6687570761e0a1
Timestamp:
Friday 28 October 2022 at 06:30:02 UTC
()
Proposer:
Authorizers:
Gas used:
52