Flow price: --
977df794cba12695ecd3a710043fd5f5df92a0b6988bc7374ada2c79a5383396

Transaction

Hash: 977df794cba12695ecd3a710043fd5f5df92a0b6988bc7374ada2c79a5383396
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 977df794cba12695ecd3a710043fd5f5df92a0b6988bc7374ada2c79a5383396:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
977df794cba12695ecd3a710043fd5f5df92a0b6988bc7374ada2c79a5383396
Status:
ERROR
Block height:
39742622
Block id:
e6f06619a60c46744dd425a593eade89e9a893078092c89d31742fd94e43e07f
Timestamp:
Wednesday 26 October 2022 at 10:28:20 UTC
()
Proposer:
Authorizers:
Gas used:
47