Flow price: --
a57481f5bfe9cf35fcfdfe8b456b75fbf0c4ac758a4a78c47bf60e29e381b14f

Transaction

Hash: a57481f5bfe9cf35fcfdfe8b456b75fbf0c4ac758a4a78c47bf60e29e381b14f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a57481f5bfe9cf35fcfdfe8b456b75fbf0c4ac758a4a78c47bf60e29e381b14f: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:
a57481f5bfe9cf35fcfdfe8b456b75fbf0c4ac758a4a78c47bf60e29e381b14f
Status:
ERROR
Block height:
39847946
Block id:
688bf08ffd85d3156cfacbc1eca0183e6686562c438c79a3fcaf399c66855711
Timestamp:
Friday 28 October 2022 at 04:55:56 UTC
()
Proposer:
Authorizers:
Gas used:
47