Flow price: --
2365e5d0d0c7c532a6f2b5c5fba9b1aefbf3aebdbba6788ee1b1bd03ed2fb5b8

Transaction

Hash: 2365e5d0d0c7c532a6f2b5c5fba9b1aefbf3aebdbba6788ee1b1bd03ed2fb5b8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2365e5d0d0c7c532a6f2b5c5fba9b1aefbf3aebdbba6788ee1b1bd03ed2fb5b8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2365e5d0d0c7c532a6f2b5c5fba9b1aefbf3aebdbba6788ee1b1bd03ed2fb5b8
Status:
ERROR
Block height:
40128783
Block id:
d1f80de3a5c59974b46a16dee199e90d1b73a8dd9fa4027b903783e53d1eed1c
Timestamp:
Tuesday 1 November 2022 at 21:36:15 UTC
()
Proposer:
Authorizers:
Gas used:
47