Flow price: --
b865179015aa02083c947c78ffdd36dc978e50b70027a0b7dfef540fc645bd4c

Transaction

Hash: b865179015aa02083c947c78ffdd36dc978e50b70027a0b7dfef540fc645bd4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b865179015aa02083c947c78ffdd36dc978e50b70027a0b7dfef540fc645bd4c: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:
b865179015aa02083c947c78ffdd36dc978e50b70027a0b7dfef540fc645bd4c
Status:
ERROR
Block height:
40106391
Block id:
81213f8b2a16442bda1c33927b03624ef89871d850d0e8425e051d6875081025
Timestamp:
Tuesday 1 November 2022 at 12:30:18 UTC
()
Proposer:
Authorizers:
Gas used:
49