Flow price: --
a8a9557f4099af3899c5b6b1c8ea9aa263f273cad39dee41bfc6af3310ad6569

Transaction

Hash: a8a9557f4099af3899c5b6b1c8ea9aa263f273cad39dee41bfc6af3310ad6569
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8a9557f4099af3899c5b6b1c8ea9aa263f273cad39dee41bfc6af3310ad6569:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a8a9557f4099af3899c5b6b1c8ea9aa263f273cad39dee41bfc6af3310ad6569
Status:
ERROR
Block height:
39759762
Block id:
3d2086a31856c8a1ad693376038ca359477b8fcb28e1fe89e67bfdc9eecc7ca1
Timestamp:
Wednesday 26 October 2022 at 17:22:42 UTC
()
Proposer:
Authorizers:
Gas used:
60