Flow price: --
a936b6111d1d928390403acdd505a0b9f096ff6a273a01394e8e5068984923e3

Transaction

Hash: a936b6111d1d928390403acdd505a0b9f096ff6a273a01394e8e5068984923e3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a936b6111d1d928390403acdd505a0b9f096ff6a273a01394e8e5068984923e3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a936b6111d1d928390403acdd505a0b9f096ff6a273a01394e8e5068984923e3
Status:
ERROR
Block height:
40060611
Block id:
203e9084b2b16a0745bfadd4b769e4070b56602b05064fe8244d8b37c53c86b0
Timestamp:
Monday 31 October 2022 at 18:04:04 UTC
()
Proposer:
Authorizers:
Gas used:
47