Flow price: --
a7afecfad60c1c57791cb13e3e3aedd00dbeaa193106144abc8e79c6bdd2165e

Transaction

Hash: a7afecfad60c1c57791cb13e3e3aedd00dbeaa193106144abc8e79c6bdd2165e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a7afecfad60c1c57791cb13e3e3aedd00dbeaa193106144abc8e79c6bdd2165e: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:
a7afecfad60c1c57791cb13e3e3aedd00dbeaa193106144abc8e79c6bdd2165e
Status:
ERROR
Block height:
39824686
Block id:
a207ead44fc616be2604e76d342c8295cd36d1cb795377559750adb6a199d6d0
Timestamp:
Thursday 27 October 2022 at 19:34:56 UTC
()
Proposer:
Authorizers:
Gas used:
46