Flow price: --
d6b51797f08b471f452d1ea79471b4effb4b708384d9c29339cabfe3286a2e58

Transaction

Hash: d6b51797f08b471f452d1ea79471b4effb4b708384d9c29339cabfe3286a2e58
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d6b51797f08b471f452d1ea79471b4effb4b708384d9c29339cabfe3286a2e58:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d6b51797f08b471f452d1ea79471b4effb4b708384d9c29339cabfe3286a2e58
Status:
ERROR
Block height:
39919615
Block id:
21f8869bc1980b8ae7c8d61d88ad084dcdd7e12ca77a98f04e219436ee5d79be
Timestamp:
Saturday 29 October 2022 at 09:37:30 UTC
()
Proposer:
Authorizers:
Gas used:
46