Flow price: --
c81d4e9aa612dc6e7bdd242e5e6bf590afb2f9931c67b8a308f085758a5afda5

Transaction

Hash: c81d4e9aa612dc6e7bdd242e5e6bf590afb2f9931c67b8a308f085758a5afda5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c81d4e9aa612dc6e7bdd242e5e6bf590afb2f9931c67b8a308f085758a5afda5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c81d4e9aa612dc6e7bdd242e5e6bf590afb2f9931c67b8a308f085758a5afda5
Status:
ERROR
Block height:
39903716
Block id:
b5a54a094aea2b2de3d736838622922cc1558661416ecc026e5626c80bedfc97
Timestamp:
Saturday 29 October 2022 at 03:14:51 UTC
()
Proposer:
Authorizers:
Gas used:
47