Flow price: --
71a35a466422efc2dc306ca947b26e6e1b22e225e4259391a0446f75bc46c9c4

Transaction

Hash: 71a35a466422efc2dc306ca947b26e6e1b22e225e4259391a0446f75bc46c9c4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71a35a466422efc2dc306ca947b26e6e1b22e225e4259391a0446f75bc46c9c4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
71a35a466422efc2dc306ca947b26e6e1b22e225e4259391a0446f75bc46c9c4
Status:
ERROR
Block height:
40025686
Block id:
2ab4aac1835a1abfc47b32b48864858cae9bff9fbe84fb240d369a0b4fd0af10
Timestamp:
Monday 31 October 2022 at 03:58:40 UTC
()
Proposer:
Authorizers:
Gas used:
50