Flow price: --
a654dbfe1a3c682383bb1aee006dcd16313c8f336993191a0f78c4e8b714bfa2

Transaction

Hash: a654dbfe1a3c682383bb1aee006dcd16313c8f336993191a0f78c4e8b714bfa2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a654dbfe1a3c682383bb1aee006dcd16313c8f336993191a0f78c4e8b714bfa2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a654dbfe1a3c682383bb1aee006dcd16313c8f336993191a0f78c4e8b714bfa2
Status:
ERROR
Block height:
39838826
Block id:
2c92c1f291c55362199333332c5f383e4e4c87250af5ea356a5c1f5ca1b2453e
Timestamp:
Friday 28 October 2022 at 01:15:54 UTC
()
Proposer:
Authorizers:
Gas used:
40