Flow price: --
f564664b065325298e7c7ae95ac81f320fe229353b5d322fe6764401591c9337

Transaction

Hash: f564664b065325298e7c7ae95ac81f320fe229353b5d322fe6764401591c9337
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f564664b065325298e7c7ae95ac81f320fe229353b5d322fe6764401591c9337:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f564664b065325298e7c7ae95ac81f320fe229353b5d322fe6764401591c9337
Status:
ERROR
Block height:
40131488
Block id:
a42ef0a0df86b20dd1818818a2e8f341cb3b61f13e8ea59882d47c7619c51cb3
Timestamp:
Tuesday 1 November 2022 at 22:43:19 UTC
()
Proposer:
Authorizers:
Gas used:
50