Flow price: --
f7f1349ff9031b109c75b8173e898de7e76f6a8959d9dc5a253f7c18f28bb8d8

Transaction

Hash: f7f1349ff9031b109c75b8173e898de7e76f6a8959d9dc5a253f7c18f28bb8d8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f7f1349ff9031b109c75b8173e898de7e76f6a8959d9dc5a253f7c18f28bb8d8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f7f1349ff9031b109c75b8173e898de7e76f6a8959d9dc5a253f7c18f28bb8d8
Status:
ERROR
Block height:
40094488
Block id:
aaeb8a2c838174e65a80adf5ba96bad9b2a7e3cd33e7cac38a1e46553a4b3344
Timestamp:
Tuesday 1 November 2022 at 07:41:06 UTC
()
Proposer:
Authorizers:
Gas used:
46