Flow price: --
f67ee16837be58fad450cbe87ca7d64d3166f72baff510e49514ae2983d990cd

Transaction

Hash: f67ee16837be58fad450cbe87ca7d64d3166f72baff510e49514ae2983d990cd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f67ee16837be58fad450cbe87ca7d64d3166f72baff510e49514ae2983d990cd: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:
f67ee16837be58fad450cbe87ca7d64d3166f72baff510e49514ae2983d990cd
Status:
ERROR
Block height:
39736808
Block id:
0ee006e957e2ee4f000bbb84d161f7b1c83b926eb9432ccf2f885d9194a3e2e5
Timestamp:
Wednesday 26 October 2022 at 08:07:48 UTC
()
Proposer:
Authorizers:
Gas used:
47