Flow price: --
3ef471e9d7dc1d9fbe93439dd189117553c89a92693f8070b90a4af4de8b2c30

Transaction

Hash: 3ef471e9d7dc1d9fbe93439dd189117553c89a92693f8070b90a4af4de8b2c30
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3ef471e9d7dc1d9fbe93439dd189117553c89a92693f8070b90a4af4de8b2c30:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3ef471e9d7dc1d9fbe93439dd189117553c89a92693f8070b90a4af4de8b2c30
Status:
ERROR
Block height:
39943335
Block id:
64441ae59ec342afc63a54612980551ebaeb0fd5d894a084c7d6eeac49d81694
Timestamp:
Saturday 29 October 2022 at 19:11:38 UTC
()
Proposer:
Authorizers:
Gas used:
46