Flow price: --
4a2ad76ad8461be24ec0047877bae3bba435e43740d54470d926db0e159ae750

Transaction

Hash: 4a2ad76ad8461be24ec0047877bae3bba435e43740d54470d926db0e159ae750
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4a2ad76ad8461be24ec0047877bae3bba435e43740d54470d926db0e159ae750:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4a2ad76ad8461be24ec0047877bae3bba435e43740d54470d926db0e159ae750
Status:
ERROR
Block height:
39919551
Block id:
bbf0a83336c9dab27ea694a35709807320349eee1b007de68b38e3bb8f4e5850
Timestamp:
Saturday 29 October 2022 at 09:35:56 UTC
()
Proposer:
Authorizers:
Gas used:
50