Flow price: --
a73a8690069c67d3fe5915a992e404c263ac51c6e60c5a1d4c7d55f2ed4469f3

Transaction

Hash: a73a8690069c67d3fe5915a992e404c263ac51c6e60c5a1d4c7d55f2ed4469f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a73a8690069c67d3fe5915a992e404c263ac51c6e60c5a1d4c7d55f2ed4469f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a73a8690069c67d3fe5915a992e404c263ac51c6e60c5a1d4c7d55f2ed4469f3
Status:
ERROR
Block height:
39752633
Block id:
5815457936366fc3f3fc9b9b171429d3481a2ed86c59239681aa5e79e325083c
Timestamp:
Wednesday 26 October 2022 at 14:30:31 UTC
()
Proposer:
Authorizers:
Gas used:
47