Flow price: --
dfa0e3274026d925af2dbc2fa71245e45f1114ea1d91b3e58c7dc74c55987bfb

Transaction

Hash: dfa0e3274026d925af2dbc2fa71245e45f1114ea1d91b3e58c7dc74c55987bfb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dfa0e3274026d925af2dbc2fa71245e45f1114ea1d91b3e58c7dc74c55987bfb: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:
dfa0e3274026d925af2dbc2fa71245e45f1114ea1d91b3e58c7dc74c55987bfb
Status:
ERROR
Block height:
40050672
Block id:
c1187e382240139c6430c4aec9a1bdce9d50903469942041a3bfd3f8052b0057
Timestamp:
Monday 31 October 2022 at 14:02:05 UTC
()
Proposer:
Authorizers:
Gas used:
48