Flow price: --
020c312f7625f4c68324e718167a45bd39fcd662d15ef7de568acac04a9f67a2

Transaction

Hash: 020c312f7625f4c68324e718167a45bd39fcd662d15ef7de568acac04a9f67a2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 020c312f7625f4c68324e718167a45bd39fcd662d15ef7de568acac04a9f67a2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
020c312f7625f4c68324e718167a45bd39fcd662d15ef7de568acac04a9f67a2
Status:
ERROR
Block height:
39875405
Block id:
69ec75e701f04ea9229b68b1f3c167951257fe53cacdb0a459c536dd9446bc99
Timestamp:
Friday 28 October 2022 at 15:59:37 UTC
()
Proposer:
Authorizers:
Gas used:
48