Flow price: --
3a45cf2770766378e2ee55e524f93065ab067a6055e8ffa54f21ee67f956b29c

Transaction

Hash: 3a45cf2770766378e2ee55e524f93065ab067a6055e8ffa54f21ee67f956b29c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3a45cf2770766378e2ee55e524f93065ab067a6055e8ffa54f21ee67f956b29c: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:
3a45cf2770766378e2ee55e524f93065ab067a6055e8ffa54f21ee67f956b29c
Status:
ERROR
Block height:
40021638
Block id:
d838dd217e536ef39b73b821557640a229726173bbd8e54eed83a6c76b58fe3a
Timestamp:
Monday 31 October 2022 at 02:21:37 UTC
()
Proposer:
Authorizers:
Gas used:
50