Flow price: --
247b4a4b8d6f6cdf0aff8503ee57dbd8fac08d7c668b7cc293e533c946a9d603

Transaction

Hash: 247b4a4b8d6f6cdf0aff8503ee57dbd8fac08d7c668b7cc293e533c946a9d603
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 247b4a4b8d6f6cdf0aff8503ee57dbd8fac08d7c668b7cc293e533c946a9d603:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
247b4a4b8d6f6cdf0aff8503ee57dbd8fac08d7c668b7cc293e533c946a9d603
Status:
ERROR
Block height:
40083366
Block id:
7898c7f792a7ebfc04cd0c08741c88da6056a0b3486e63d192b2077a27e8f5a9
Timestamp:
Tuesday 1 November 2022 at 03:09:17 UTC
()
Proposer:
Authorizers:
Gas used:
46