Flow price: --
5e549b96c1cf1246d8db559b576add31f73d5794f6ee1f3b561a6439ee358cae

Transaction

Hash: 5e549b96c1cf1246d8db559b576add31f73d5794f6ee1f3b561a6439ee358cae
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5e549b96c1cf1246d8db559b576add31f73d5794f6ee1f3b561a6439ee358cae: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:
5e549b96c1cf1246d8db559b576add31f73d5794f6ee1f3b561a6439ee358cae
Status:
ERROR
Block height:
40031196
Block id:
460edf8250b0c3eab4119706be5e5a3efd8fca5570dc754e1f035d918c40a30a
Timestamp:
Monday 31 October 2022 at 06:12:30 UTC
()
Proposer:
Authorizers:
Gas used:
50