Flow price: --
89953ea039cfd9e342340a08d8e4a016751c849e3bcd65fc2f7e487cae17ce33

Transaction

Hash: 89953ea039cfd9e342340a08d8e4a016751c849e3bcd65fc2f7e487cae17ce33
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 89953ea039cfd9e342340a08d8e4a016751c849e3bcd65fc2f7e487cae17ce33:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
89953ea039cfd9e342340a08d8e4a016751c849e3bcd65fc2f7e487cae17ce33
Status:
ERROR
Block height:
39838386
Block id:
5e8d00d1b13deb2aa447e24eb7913f14b898eb8fb1cd36f04067a54ab44f2fec
Timestamp:
Friday 28 October 2022 at 01:05:21 UTC
()
Proposer:
Authorizers:
Gas used:
52